{"id":51822,"date":"2023-07-18T19:00:31","date_gmt":"2023-07-18T17:00:31","guid":{"rendered":"https:\/\/www.bikeradar.com\/?p=738681"},"modified":"2023-07-18T19:35:44","modified_gmt":"2023-07-18T17:35:44","slug":"five-of-the-best-aero-cycling-helmets-in-2023-as-tested-by-bikeradar","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/cyclingplus\/rss_feed\/five-of-the-best-aero-cycling-helmets-in-2023-as-tested-by-bikeradar\/","title":{"rendered":"Five of the best aero cycling helmets in 2023, as tested by BikeRadar"},"content":{"rendered":"<p class=\"rssexcerpt\"> Five wind-cheating helmets for road riding, as reviewed by the BikeRadar test team <\/p><p class=\"rssauthor\">By Jack Evans\n                \t\t<\/p><p class=\"rssbyline\">Published: Tuesday, 18 July 2023 at 12:00 am<\/p><hr class=\"no-tts wp-block-separator\"\/><?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body> <p>The best aero helmets can help you ride faster by saving watts while remaining comfortable. Heavy, odd-looking and unbearably stuffy aero helmets are long gone. Aero is no longer absolutely everything.<\/p>\n<p>As <a href=\"&quot;https:\/\/www.bikeradar.com\/news\/uno-x-new-sweet-protection-time-trial-helmet\/&quot;\">WorldTour time-trial helmets have become more outlandish<\/a>, the boundaries have blurred between standard <a href=\"&quot;https:\/\/www.bikeradar.com\/advice\/buyers-guides\/best-road-bike-helmets\/&quot;\">road cycling helmets<\/a> and aerodynamically optimised ones.<\/p>\n<p>Unless you do a lot of <a href=\"&quot;https:\/\/www.bikeradar.com\/advice\/fitness-and-training\/cycling-in-hot-weather\/&quot;\">cycling in hot weather<\/a>, then, you could wear an aero cycling helmet all year round.<\/p>\n<p>If every watt counts, an aero road helmet is also one of the <a href=\"&quot;https:\/\/www.bikeradar.com\/features\/tech\/best-value-aero-upgrades\/&quot;\">best-value aero upgrades<\/a> available, as we found from recent wind tunnel testing.<\/p>\n<p>So if you want to reduce drag with your helmet, here are the best options to do so.<\/p>\n<h2>Best aero helmets in 2023, as rated by our expert testers<\/h2>\n<h3>Giro Eclipse Spherical<\/h3> <div class=\"&quot;editorial-rating-summary\" editorial-rating-summary--=\"\"> <div class=\"&quot;ratings-stars\"> <div class=\"&quot;ratings-stars__icons&quot;\"> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-half=\"\"\/> <\/div> <span class=\"&quot;ratings-stars__value&quot;\"> <span class=\"&quot;sr-only&quot;\">4.5 out of 5 star rating<\/span> <\/span> <\/div> <\/div> <ul class=\"&quot;monetizer-in-text-link-list&quot;\"><li data-type=\"&quot;in-text&quot;\" class=\"&quot;monetizer-in-text-link&quot;\" data-config=\"'{&quot;nameKeywords&quot;:\" eclipse=\"\" spherical=\"\" data-text=\"&quot;&lt;b&gt;Buy\" now=\"\" from=\"\" and=\"\"> <\/li>\n<\/ul><script><![CDATA[ (function () { var s = document.createElement('script'); s.type = 'text\/javascript'; s.async = true; s.src = \"\/\/bikeradar.com\/pricecomparison\/widget\/intext\/app.bundle.js\"; s.onload = function () { new inText({ domain: \"bikeradar.com\/pricecomparison\", shopId: 608, geolocation: true, }); }; var x = document.getElementsByTagName('script')[0]; x.parentNode.insertBefore(s, x); \/\/trim whitespace from li to flag empty items (twig seems to strip out closing if you remove the space..... [].forEach.call(document.querySelectorAll('.monetizer-in-text-link'), function(textLink) { textLink.innerHTML = textLink.innerHTML.trim(); }); })();\n]]><\/script><div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-668948\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/03\/Giro-Spherical-helmet-\u2013-front-86bc04a.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Giro\" spherical=\"\" helmet=\"\" road=\"\" cycling=\"\" title=\"&quot;Giro\" front=\"\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> Aerodynamic aspects don\u2019t diminish the Eclipse Spherical\u2019s versatility.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Matt Baird \/ Our Media<\/i><\/span><\/div>\n<ul><li>\u00a3240\/$250\/\u20ac260\/AU$430 as tested<\/li>\n<li><strong>Pros<\/strong>: Aero profile; well ventilated; good fit; safety features<\/li>\n<li><strong>Cons:\u00a0<\/strong>Significant cost<\/li>\n<\/ul><p>The Giro Eclipse Spherical is aerodynamically shaped and feels fast to ride. But the excellent aero road helmet isn\u2019t excessively heavy or stuffy.<\/p>\n<p>Safety tech includes Giro\u2019s own Spherical system and MIPS, while spongy padding and an effective retention system ensure the Eclipse Spherical is comfortable for hours on end.<\/p>\n<p>With few weaknesses, the Giro Eclipse Spherical can be considered an all-round, admittedly expensive, aero cycling helmet.<\/p>\n<ul><li><a href=\"&quot;https:\/\/www.bikeradar.com\/reviews\/helmets\/road-cycling-helmets\/giro-eclipse-spherical-review\/&quot;\">Read our full Giro Eclipse Spherical review\u00a0<\/a><\/li>\n<\/ul><div class=\"&quot;monetizer__price-comparison-container&quot;\" data-position=\"&quot;adhoc&quot;\" hidden=\"\"> <h5 class=\"&quot;monetizer__price-comparison-title\" monetizer-title=\"\" style=\"&quot;background-color:\" color:=\"\">Latest deals<\/h5> <div id=\"&quot;monetizer__deals&quot;\" data-type=\"&quot;price-comparison&quot;\" data-config=\"'{&quot;shopId&quot;:&quot;608&quot;,&quot;market&quot;:&quot;gbp_en&quot;,&quot;template&quot;:&quot;flxmmtwnoj&quot;,&quot;searchKeywords&quot;:&quot;Giro\" eclipse=\"\" spherical=\"\"\/> <div class=\"&quot;monetizer__price-comparison-explanatory-text\" body-copy-extra-small=\"\" editor-content=\"\"\/><\/div> <h3>Specialized S-Works Evade 3<\/h3> <div class=\"&quot;editorial-rating-summary\" editorial-rating-summary--=\"\"> <div class=\"&quot;ratings-stars\"> <div class=\"&quot;ratings-stars__icons&quot;\"> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-half=\"\"\/> <\/div> <span class=\"&quot;ratings-stars__value&quot;\"> <span class=\"&quot;sr-only&quot;\">4.5 out of 5 star rating<\/span> <\/span> <\/div> <\/div> <ul class=\"&quot;monetizer-in-text-link-list&quot;\"><li data-type=\"&quot;in-text&quot;\" class=\"&quot;monetizer-in-text-link&quot;\" data-config=\"'{&quot;nameKeywords&quot;:\" s-works=\"\" evade=\"\" helmet=\"\" data-text=\"&quot;&lt;b&gt;Buy\" now=\"\" from=\"\" and=\"\"> <\/li>\n<\/ul><script><![CDATA[ (function () { var s = document.createElement('script'); s.type = 'text\/javascript'; s.async = true; s.src = \"\/\/bikeradar.com\/pricecomparison\/widget\/intext\/app.bundle.js\"; s.onload = function () { new inText({ domain: \"bikeradar.com\/pricecomparison\", shopId: 608, geolocation: true, }); }; var x = document.getElementsByTagName('script')[0]; x.parentNode.insertBefore(s, x); \/\/trim whitespace from li to flag empty items (twig seems to strip out closing if you remove the space..... [].forEach.call(document.querySelectorAll('.monetizer-in-text-link'), function(textLink) { textLink.innerHTML = textLink.innerHTML.trim(); }); })();\n]]><\/script><div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-724572\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0618-72ba755.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Specialized\" evade=\"\" helmet=\"\" title=\"&quot;Specialized\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> For an aero helmet, the Specialized S-Works Evade 3 is pretty airy.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Simon von Bromley \/ BikeRadar<\/i><\/span><\/div>\n<ul><li>\u00a3275\/$300\/\u20ac330 as tested<\/li>\n<li><strong>Pros:\u00a0<\/strong>Overall performance; decent looks; aero design<\/li>\n<li><strong>Cons:\u00a0<\/strong>Huge cost<\/li>\n<\/ul><p>The Specialized S-Works Evade 3 is a fantastic aero helmet with a drag-saving design that allows some air to flow past your head.<\/p>\n<p>This degree of ventilation and relatively conventional styling (for an aero road helmet) could make the S-Works Evade 3 suitable for year-round use \u2013 as long as you don\u2019t live somewhere really hot.<\/p>\n<p>The MIPS-equipped S-Works Evade 3 scores full marks for safety in <a href=\"&quot;https:\/\/www.bikeradar.com\/news\/safest-road-mtb-helmet\/&quot;\">Virginia Tech\u2019s helmet testing<\/a>.<\/p>\n<p>However, the aero bike helmet will be expensive to replace if you do <a href=\"&quot;https:\/\/www.bikeradar.com\/features\/routes-and-rides\/what-to-do-if-you-have-a-bicycle-accident\/&quot;\">crash or have an accident on your bike<\/a>.<\/p>\n<ul><li><a href=\"&quot;https:\/\/www.bikeradar.com\/reviews\/helmets\/road-cycling-helmets\/specialized-s-works-evade-3-helmet-review\/&quot;\">Read our full Specialized S-Works Evade 3 helmet review\u00a0<\/a><\/li>\n<\/ul><div class=\"&quot;monetizer__price-comparison-container&quot;\" data-position=\"&quot;adhoc&quot;\" hidden=\"\"> <h5 class=\"&quot;monetizer__price-comparison-title\" monetizer-title=\"\" style=\"&quot;background-color:\" color:=\"\">Latest deals<\/h5> <div id=\"&quot;monetizer__deals&quot;\" data-type=\"&quot;price-comparison&quot;\" data-config=\"'{&quot;shopId&quot;:&quot;608&quot;,&quot;market&quot;:&quot;gbp_en&quot;,&quot;template&quot;:&quot;flxmmtwnoj&quot;,&quot;searchKeywords&quot;:&quot;Specialized\" s-works=\"\" evade=\"\" helmet=\"\"\/> <div class=\"&quot;monetizer__price-comparison-explanatory-text\" body-copy-extra-small=\"\" editor-content=\"\"\/><\/div> <h3>Kask Utopia Y<\/h3> <div class=\"&quot;editorial-rating-summary\" editorial-rating-summary--=\"\"> <div class=\"&quot;ratings-stars\"> <div class=\"&quot;ratings-stars__icons&quot;\"> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-outline=\"\"\/> <\/div> <span class=\"&quot;ratings-stars__value&quot;\"> <span class=\"&quot;sr-only&quot;\">4.0 out of 5 star rating<\/span> <\/span> <\/div> <\/div> <ul class=\"&quot;monetizer-in-text-link-list&quot;\"><li data-type=\"&quot;in-text&quot;\" class=\"&quot;monetizer-in-text-link&quot;\" data-config=\"'{&quot;nameKeywords&quot;:\" utopia=\"\" y=\"\" data-text=\"&quot;&lt;b&gt;Buy\" now=\"\" from=\"\" and=\"\"> <\/li>\n<\/ul><script><![CDATA[ (function () { var s = document.createElement('script'); s.type = 'text\/javascript'; s.async = true; s.src = \"\/\/bikeradar.com\/pricecomparison\/widget\/intext\/app.bundle.js\"; s.onload = function () { new inText({ domain: \"bikeradar.com\/pricecomparison\", shopId: 608, geolocation: true, }); }; var x = document.getElementsByTagName('script')[0]; x.parentNode.insertBefore(s, x); \/\/trim whitespace from li to flag empty items (twig seems to strip out closing if you remove the space..... [].forEach.call(document.querySelectorAll('.monetizer-in-text-link'), function(textLink) { textLink.innerHTML = textLink.innerHTML.trim(); }); })();\n]]><\/script><div class=\"&quot;image-handler__container\" image-handler__container--full=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?webp=true&amp;quality=90&amp;resize=300%2C197,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?quality=90&amp;resize=300%2C197,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?webp=true&amp;quality=90&amp;resize=355%2C233,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?quality=90&amp;resize=355%2C233,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?webp=true&amp;quality=90&amp;resize=405%2C265,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?quality=90&amp;resize=405%2C265,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?webp=true&amp;quality=90&amp;resize=554%2C363,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?quality=90&amp;resize=554%2C363,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?webp=true&amp;quality=90&amp;resize=620%2C406,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?quality=90&amp;resize=620%2C406,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?webp=true&amp;quality=90&amp;resize=408%2C267,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?quality=90&amp;resize=408%2C267,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?webp=true&amp;quality=90&amp;resize=556%2C364,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?quality=90&amp;resize=556%2C364,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-721554\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--full=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/DSC00413-566999f.jpg?quality=90&amp;resize=620%2C406&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Ashley\" quinlan=\"\" modelling=\"\" kask=\"\" utopia=\"\" y=\"\" helmet=\"\" title=\"&quot;Ashley\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> The Kask Utopia Y is a minor update on the Utopia.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Oscar Huckle \/ Our Media <\/i><\/span><\/div>\n<ul><li>\u00a3245\/$300\/\u20ac275\/AU$410 as tested<\/li>\n<li><strong>Pros:\u00a0<\/strong>Decent fit; better padding; reasonable ventilation<\/li>\n<li><strong>Cons:\u00a0<\/strong>Sub-standard fit mechanism; lacks MIPS<\/li>\n<\/ul><p>For the most part, it\u2019s no bad thing that the Kask Utopia Y is barely different from the previous-generation Utopia aero road helmet. The shape and consequently, as far as we can tell, the aerodynamic performance is unchanged.<\/p>\n<p>We found Kask has succeeded in its attempt to improve the Utopia Y\u2019s comfort by adding padding.<\/p>\n<p>However, to our tester, the Kask Utopia Y\u2019s adjustment dial felt tacky for a premium aero helmet.<\/p>\n<p>Kask says the Utopia Y excels in its own safety testing, but the aero bike helmet doesn\u2019t have MIPS or a high score in Virginia Tech Helmet Lab testing.<\/p>\n<ul><li><a href=\"&quot;https:\/\/www.bikeradar.com\/reviews\/helmets\/road-cycling-helmets\/kask-utopia-y-helmet-review\/&quot;\">Read our full Kask Utopia Y helmet review\u00a0<\/a><\/li>\n<\/ul><div class=\"&quot;monetizer__price-comparison-container&quot;\" data-position=\"&quot;adhoc&quot;\" hidden=\"\"> <h5 class=\"&quot;monetizer__price-comparison-title\" monetizer-title=\"\" style=\"&quot;background-color:\" color:=\"\">Latest deals<\/h5> <div id=\"&quot;monetizer__deals&quot;\" data-type=\"&quot;price-comparison&quot;\" data-config=\"'{&quot;shopId&quot;:&quot;608&quot;,&quot;market&quot;:&quot;gbp_en&quot;,&quot;template&quot;:&quot;flxmmtwnoj&quot;,&quot;searchKeywords&quot;:&quot;Kask\" utopia=\"\" y=\"\" helmet=\"\"\/> <div class=\"&quot;monetizer__price-comparison-explanatory-text\" body-copy-extra-small=\"\" editor-content=\"\"\/><\/div> <h3>Rudy Project Nytron<\/h3> <div class=\"&quot;editorial-rating-summary\" editorial-rating-summary--=\"\"> <div class=\"&quot;ratings-stars\"> <div class=\"&quot;ratings-stars__icons&quot;\"> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-outline=\"\"\/> <\/div> <span class=\"&quot;ratings-stars__value&quot;\"> <span class=\"&quot;sr-only&quot;\">4.0 out of 5 star rating<\/span> <\/span> <\/div> <\/div> <ul class=\"&quot;monetizer-in-text-link-list&quot;\"><li data-type=\"&quot;in-text&quot;\" class=\"&quot;monetizer-in-text-link&quot;\" data-config=\"'{&quot;nameKeywords&quot;:\" project=\"\" nytron=\"\" data-text=\"&quot;&lt;b&gt;Buy\" now=\"\" from=\"\" and=\"\"> <\/li>\n<\/ul><script><![CDATA[ (function () { var s = document.createElement('script'); s.type = 'text\/javascript'; s.async = true; s.src = \"\/\/bikeradar.com\/pricecomparison\/widget\/intext\/app.bundle.js\"; s.onload = function () { new inText({ domain: \"bikeradar.com\/pricecomparison\", shopId: 608, geolocation: true, }); }; var x = document.getElementsByTagName('script')[0]; x.parentNode.insertBefore(s, x); \/\/trim whitespace from li to flag empty items (twig seems to strip out closing if you remove the space..... [].forEach.call(document.querySelectorAll('.monetizer-in-text-link'), function(textLink) { textLink.innerHTML = textLink.innerHTML.trim(); }); })();\n]]><\/script><div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?webp=true&amp;quality=90&amp;resize=298%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?quality=90&amp;resize=298%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?webp=true&amp;quality=90&amp;resize=403%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?quality=90&amp;resize=403%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?webp=true&amp;quality=90&amp;resize=553%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?quality=90&amp;resize=553%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?webp=true&amp;quality=90&amp;resize=619%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?quality=90&amp;resize=619%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?webp=true&amp;quality=90&amp;resize=406%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?quality=90&amp;resize=406%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-694027\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Rudy-Project-Nytron-01-90a4632.jpg?quality=90&amp;resize=619%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Rudy\" project=\"\" nytron=\"\" road=\"\" cycling=\"\" helmet=\"\" title=\"&quot;Rudy\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> The lustreless finish, printed graphics and sleek profile score style points.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Dave Caudery \/ Our Media<\/i><\/span><\/div>\n<ul><li>\u00a3153\/$325\/\u20ac200 as tested<\/li>\n<li><strong>Pros:\u00a0<\/strong>Looks; weight; fit<\/li>\n<li><strong>Cons:\u00a0<\/strong>Ventilation dependent on riding position<\/li>\n<\/ul><p>In terms of appearance and cooling, the Rudy Project Nytron has more in common with standard road cycling helmets than bulkier aero helmets. However, its aerodynamic design and weight are similar to its competitors.<\/p>\n<p>The aero bicycle helmet enables air to flow past your head but only when riding in a low position.<\/p>\n<p>The Rudy Nytron meets the demanding safety standard (WG11 rotational impact) used by Kask.<\/p>\n<ul><li><a href=\"&quot;https:\/\/www.bikeradar.com\/reviews\/helmets\/road-cycling-helmets\/rudy-project-nytron-helmet-review\/&quot;\">Read our full Rudy Project Nytron review\u00a0<\/a><\/li>\n<\/ul><div class=\"&quot;monetizer__price-comparison-container&quot;\" data-position=\"&quot;adhoc&quot;\" hidden=\"\"> <h5 class=\"&quot;monetizer__price-comparison-title\" monetizer-title=\"\" style=\"&quot;background-color:\" color:=\"\">Latest deals<\/h5> <div id=\"&quot;monetizer__deals&quot;\" data-type=\"&quot;price-comparison&quot;\" data-config=\"'{&quot;shopId&quot;:&quot;608&quot;,&quot;market&quot;:&quot;gbp_en&quot;,&quot;template&quot;:&quot;flxmmtwnoj&quot;,&quot;searchKeywords&quot;:&quot;Rudy\" project=\"\" nytron=\"\"\/> <div class=\"&quot;monetizer__price-comparison-explanatory-text\" body-copy-extra-small=\"\" editor-content=\"\"\/><\/div> <h3>METS Manta MIPS<\/h3> <div class=\"&quot;editorial-rating-summary\" editorial-rating-summary--=\"\"> <div class=\"&quot;ratings-stars\"> <div class=\"&quot;ratings-stars__icons&quot;\"> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-fill=\"\"\/> <i data-grunticon-embed=\"\" class=\"&quot;icon-rating-star\" icon-star-outline=\"\"\/> <\/div> <span class=\"&quot;ratings-stars__value&quot;\"> <span class=\"&quot;sr-only&quot;\">4.0 out of 5 star rating<\/span> <\/span> <\/div> <\/div> <ul class=\"&quot;monetizer-in-text-link-list&quot;\"><li data-type=\"&quot;in-text&quot;\" class=\"&quot;monetizer-in-text-link&quot;\" data-config=\"'{&quot;nameKeywords&quot;:\" manta=\"\" mips=\"\" data-text=\"&quot;&lt;b&gt;Buy\" now=\"\" from=\"\" and=\"\"> <\/li>\n<\/ul><script><![CDATA[ (function () { var s = document.createElement('script'); s.type = 'text\/javascript'; s.async = true; s.src = \"\/\/bikeradar.com\/pricecomparison\/widget\/intext\/app.bundle.js\"; s.onload = function () { new inText({ domain: \"bikeradar.com\/pricecomparison\", shopId: 608, geolocation: true, }); }; var x = document.getElementsByTagName('script')[0]; x.parentNode.insertBefore(s, x); \/\/trim whitespace from li to flag empty items (twig seems to strip out closing if you remove the space..... [].forEach.call(document.querySelectorAll('.monetizer-in-text-link'), function(textLink) { textLink.innerHTML = textLink.innerHTML.trim(); }); })();\n]]><\/script><div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?webp=true&amp;quality=90&amp;resize=298%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?quality=90&amp;resize=298%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?webp=true&amp;quality=90&amp;resize=403%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?quality=90&amp;resize=403%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?webp=true&amp;quality=90&amp;resize=553%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?quality=90&amp;resize=553%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?webp=true&amp;quality=90&amp;resize=619%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?quality=90&amp;resize=619%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?webp=true&amp;quality=90&amp;resize=406%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?quality=90&amp;resize=406%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-647949\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2021\/09\/MET-Manta-MIPS-01-ff3d801.jpg?quality=90&amp;resize=619%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;MET\" manta=\"\" mips=\"\" road=\"\" cycling=\"\" helmet=\"\" title=\"&quot;MET\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> The MET Manta MIPS is a slimmed-down aero helmet.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>David Caudery \/ Immediate Media<\/i><\/span><\/div>\n<ul><li>\u00a3220\/\u20ac250\/AU$388 as tested<\/li>\n<li><strong>Pros:\u00a0<\/strong>Low weight; excellent fit; comfort<\/li>\n<li><strong>Cons:\u00a0<\/strong>Price<\/li>\n<\/ul><p>MET has taken a minimalist approach to the aero road helmet with the Manta MIPS.<\/p>\n<p>The sparsely vented shell is characteristic of the aero genre. The helmet\u2019s narrowness, which minimises weight and keeps looks conventional, is less so.<\/p>\n<p>The MET Manta MIPS is comfortable, well fitting and aerodynamic without being stuffy. However,\u00a0it is very expensive.<\/p>\n<ul><li><a href=\"&quot;https:\/\/www.bikeradar.com\/reviews\/helmets\/road-cycling-helmets\/met-manta-mips-review\/&quot;\">Read our full MET Manta MIPS helmet review\u00a0<\/a><\/li>\n<\/ul><div class=\"&quot;monetizer__price-comparison-container&quot;\" data-position=\"&quot;adhoc&quot;\" hidden=\"\"> <h5 class=\"&quot;monetizer__price-comparison-title\" monetizer-title=\"\" style=\"&quot;background-color:\" color:=\"\">Latest deals<\/h5> <div id=\"&quot;monetizer__deals&quot;\" data-type=\"&quot;price-comparison&quot;\" data-config=\"'{&quot;shopId&quot;:&quot;608&quot;,&quot;market&quot;:&quot;gbp_en&quot;,&quot;template&quot;:&quot;flxmmtwnoj&quot;,&quot;searchKeywords&quot;:&quot;MET\" manta=\"\" mips=\"\"\/> <div class=\"&quot;monetizer__price-comparison-explanatory-text\" body-copy-extra-small=\"\" editor-content=\"\"\/><\/div> <h2>Are aero helmets worth it?<\/h2>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-718236\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades039-e5468a0.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Liam\" cahill=\"\" adopting=\"\" an=\"\" aerodynamic=\"\" position=\"\" in=\"\" the=\"\" silverstone=\"\" sports=\"\" engineering=\"\" hub=\"\" wind=\"\" tunnel=\"\" title=\"&quot;Best\" value=\"\" aero=\"\" upgrades=\"\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> Aero helmets typically aren\u2019t cheap, so are they worth it?<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Joseph Branston \/ Our Media<\/i><\/span><\/div>\n<p>As with most things, the answer is \u2018it depends\u2019.<\/p>\n<p>If you don\u2019t really care about your <a href=\"&quot;https:\/\/www.bikeradar.com\/advice\/fitness-and-training\/average-speed-cycling\/&quot;\">average speed<\/a>, or beating your riding buddies at the local circuit race or town sign sprint, then an aero helmet might not be for you.<\/p>\n<p>On the other hand, if you\u2019re interested in riding a bit faster for the same effort (or the same speed for less effort), then an aero helmet can be a relatively cheap and easy way to achieve this.<\/p>\n<p>When we recently pitted a vented helmet against an aero helmet in the wind tunnel (as part of our <a href=\"&quot;https:\/\/www.bikeradar.com\/features\/tech\/best-value-aero-upgrades\/&quot;\">best value aero upgrades<\/a> test), the aero-optimised lid saved 7.56 watts at 35kph.<\/p>\n<p>In terms of value, it easily beat other upgrades (in terms of pounds spent per watt saved) such as a set of <a href=\"&quot;https:\/\/www.bikeradar.com\/advice\/buyers-guides\/buyers-guide-to-road-bike-wheels\/&quot;\">carbon aero wheels<\/a> or a road bike skinsuit.<\/p>\n<iframe title=\"&quot;Don't\" waste=\"\" your=\"\" money=\"\" best=\"\" value=\"\" aero=\"\" upgrades=\"\" width=\"&quot;200&quot;\" height=\"&quot;113&quot;\" src=\"&quot;https:\/\/www.youtube.com\/embed\/SMCL-PWzNaQ?feature=oembed&quot;\" frameborder=\"&quot;0&quot;\" allow=\"&quot;accelerometer;\" autoplay=\"\" clipboard-write=\"\" encrypted-media=\"\" gyroscope=\"\" picture-in-picture=\"\" web-share=\"\" allowfullscreen=\"\"\/>\n<h2>Which is the fastest aero helmet?<\/h2>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-724570\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-320230419SvB5DSRMG0682-9a179b2.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Simon\" von=\"\" bromley=\"\" wearing=\"\" a=\"\" specialized=\"\" evade=\"\" helmet=\"\" title=\"&quot;Specialized\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> Aero road helmets come in many different shapes and sizes, and what works for one person may not be ideal for the next.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Yogamaya von Bromley \/ BikeRadar<\/i><\/span><\/div>\n<p>Once you\u2019ve decided you want an aero helmet, the obvious next question is\u00a0 \u201cWell, which one is fastest?\u201d<\/p>\n<p>It\u2019s a fair question, but unfortunately it\u2019s a tricky one to answer<\/p>\n<p>Just like with <a href=\"&quot;https:\/\/www.bikeradar.com\/advice\/buyers-guides\/best-time-trial-helmets-real-world-testing-of-5-favourites\/&quot;\">time trial helmets<\/a>, each brand designs its aero road helmets with different speeds, rider positions and aerodynamic philosophies in mind.<\/p>\n<p>There are many competing ideas of what represents an \u2018optimum\u2019 head angle to design an aero road helmet around, for example.<\/p>\n<p>Because of this, the aerodynamic performance of helmets can be fairly rider- and position-dependent. What\u2019s fastest for one rider and their position on the bike, may not be fastest for the next.<\/p>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-718222\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/03\/Best-value-aero-upgrades025-bc808e0.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Stephen\" roche=\"\" bike=\"\" tailor=\"\" directing=\"\" liam=\"\" cahill=\"\" in=\"\" the=\"\" silverstone=\"\" sports=\"\" engineering=\"\" hub=\"\" wind=\"\" tunnel=\"\" title=\"&quot;Best\" value=\"\" aero=\"\" upgrades=\"\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> Many aero helmets are designed to work best when riding in aggressive positions.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Joseph Branston \/ Our Media<\/i><\/span><\/div>\n<p>If you really want to know which is fastest for you, then, it will likely require heading to a wind tunnel or velodrome for some aero testing to find out.<\/p>\n<p>Failing that, we\u2019d suggest not worrying about it too much.<\/p>\n<p>For day-to-day riding, the marginal aerodynamic differences between aero helmets don\u2019t matter as much as factors such as comfort and ventilation, which we\u2019ve focused on here.<\/p>\n<h2>What to consider when buying an aero helmet<\/h2>\n<p>As with <a href=\"&quot;https:\/\/www.bikeradar.com\/advice\/buyers-guides\/best-aero-road-bike\/&quot;\">aero road bikes<\/a>, it\u2019s worth considering that aerodynamic efficiency isn\u2019t the be all and end all of helmet performance.<\/p>\n<p>It\u2019s important, of course, but factors such as comfort, ventilation, weight and safety shouldn\u2019t be overlooked either.<\/p>\n<h3>Aerodynamics<\/h3>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-724573\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0619-a214630.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Specialized\" evade=\"\" helmet=\"\" title=\"&quot;Specialized\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> The Specialized Evade 3 has an elongated shape designed to help smooth the airflow over your head.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Simon von Bromley \/ BikeRadar<\/i><\/span><\/div>\n<p>Aerodynamically optimised helmets tend to achieve efficiency via a few common methods.<\/p>\n<p>Helmets such as the <a href=\"&quot;https:\/\/www.bikeradar.com\/reviews\/helmets\/road-cycling-helmets\/specialized-s-works-evade-3-helmet-review\/&quot;\">Specialized Evade 3<\/a>, the <a href=\"&quot;https:\/\/www.bikeradar.com\/news\/new-trek-ballista-velocis\/&quot;\">Trek Ballista<\/a> and <a href=\"&quot;https:\/\/www.bikeradar.com\/news\/abus-gamechanger-2\/&quot;\">ABUS GameChanger 2.0<\/a> are all shaped to act like truncated (or \u2018Kammtail\u2019) aerofoils, for example.<\/p>\n<p>As with aero frame tubes, or deep-section aero rims, the idea is that these shapes are aerodynamically efficient by nature.<\/p>\n<div class=\"&quot;mceTemp&quot;\"\/>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-739231\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0768-555a9d4.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Lazer\" vento=\"\" kineticore=\"\" helmet=\"\" title=\"&quot;Lazer\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> As with many aero helmets, Lazer\u2019s Vento KinetiCore features minimal venting up front. Another tactic is to close off ventilation holes.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Simon von Bromley \/ Our Media<\/i><\/span><\/div>\n<p>Ventilation holes typically cause drag as they allow air to flow through the helmet and on to your head, where it stalls and things get messy.<\/p>\n<p>This is ideal for keeping your head cool, of course, but closing off these vents can help to direct the airflow over your head more smoothly. In turn, this can help reduce drag.<\/p>\n<p>Some helmets also include one or two small aero tricks, aimed at reducing drag even further.<\/p>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-727286\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0709-c33f236.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Trek\" ballista=\"\" helmet=\"\" title=\"&quot;Trek\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> Trek\u2019s Ballista features a trip line, which is claimed to serve an aerodynamic purpose.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Simon von Bromley \/ Our Media<\/i><\/span><\/div>\n<p>The Trek Ballista, for example, has a \u2018trip line\u2019 running horizontally across the midsection of its outer shell.<\/p>\n<p>Like the dimples on a golf ball, this is claimed to reduce drag by tripping the airflow from laminar (smooth) to turbulent (rough) at an optimal point.<\/p>\n<p>In theory, this helps the airflow to stay attached to the helmet for longer and reduces the size of the trailing low-pressure wake.<\/p>\n<h3>Ventilation<\/h3>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?webp=true&amp;quality=90&amp;resize=298%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?quality=90&amp;resize=298%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?webp=true&amp;quality=90&amp;resize=403%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?quality=90&amp;resize=403%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?webp=true&amp;quality=90&amp;resize=553%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?quality=90&amp;resize=553%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?webp=true&amp;quality=90&amp;resize=619%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?quality=90&amp;resize=619%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?webp=true&amp;quality=90&amp;resize=406%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?quality=90&amp;resize=406%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-739237\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/13-49-01SNY0451-03ff20d.jpg?quality=90&amp;resize=619%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Simon\" von=\"\" bromley=\"\" riding=\"\" a=\"\" giant=\"\" tcr=\"\" title=\"&quot;13-49-01_SNY0451&quot;\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> On hot days, compromising on ventilation might not be ideal.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Steve Sayers \/ Our Media<\/i><\/span><\/div>\n<p>\u00a0<\/p>\n<p>If you ride somewhere where the weather is generally cooler, or you do a lot of <a href=\"&quot;https:\/\/www.bikeradar.com\/advice\/fitness-and-training\/complete-guide-to-winter-road-cycling\/&quot;\">winter cycling<\/a>, then less ventilation might be a welcome thing.<\/p>\n<p>On the other hand, if you\u2019ve ever <a href=\"&quot;https:\/\/www.bikeradar.com\/advice\/fitness-and-training\/cycling-in-hot-weather\/&quot;\">ridden your bike in hot weather<\/a>, then you\u2019ll likely be aware that staying cool and comfortable is critical to performance.<\/p>\n<p>For this reason, ventilation is a key consideration for any helmet \u2013 be it aero-optimised or not.<\/p>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-724571\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/04\/Specialized-Evade-3White20230223SvB5DSRMG0617-ad24c30.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Specialized\" evade=\"\" helmet=\"\" front=\"\" title=\"&quot;Specialized\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> Ventilation holes on aero helmets are carefully sized and positioned to avoid adding too much drag.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Simon von Bromley \/ BikeRadar<\/i><\/span><\/div>\n<p>As already discussed, this can pose a problem for aero helmets because adding ventilation holes is usually detrimental to aerodynamic performance.<\/p>\n<p>Time trial helmets typically feature very minimal venting for this reason.<\/p>\n<p>In contrast, the best aero road helmets strike a balance between aerodynamic efficiency and ventilation.<\/p>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-739234\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/Lazer-Vento-KinetiCore20230426SvB5DSRMG0771-6aa51a8.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Lazer\" vento=\"\" kineticore=\"\" helmet=\"\" title=\"&quot;Lazer\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> Most aero helmets feature intricate internal channelling to try to allow air to flow through them and keep your head cool.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Simon von Bromley \/ Our Media<\/i><\/span><\/div>\n<p>In our experience, most modern aero helmets offer excellent cooling at higher speeds, when air flow through the minimalist venting is strong.<\/p>\n<p>Conversely, many can struggle at slower speeds, when airflow through the helmet is reduced and the relatively closed outer shell makes thermal radiation more difficult.<\/p>\n<p>This is why we often see pros at the <a href=\"&quot;https:\/\/www.bikeradar.com\/features\/pro-bike\/tour-de-france-bikes\/&quot;\">Tour de France<\/a> using vented helmets for hot days in the mountains.<\/p>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-732348\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/06\/20230525SvBEOS-RO5A9475-579e6c4.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Movistar\" team=\"\" riders=\"\" get=\"\" a=\"\" choice=\"\" between=\"\" the=\"\" abus=\"\" gamechanger=\"\" and=\"\" airbreaker=\"\" helmets=\"\" for=\"\" road=\"\" stages=\"\" title=\"&quot;20230525_SvB_EOS\" r__o5a9475=\"\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> Pro riders typically have a choice between multiple helmets to suit different weather conditions.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Simon von Bromley \/ Our Media<\/i><\/span><\/div>\n<h3>Weight<\/h3>\n<p>Fewer vents and a greater amount of aerodynamic shaping also tends to mean an increase in the amount of material used in the construction of aero helmets.<\/p>\n<p>As a result, aero helmets are typically heavier than vented equivalents.<\/p>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-739236\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/07\/16-54-48SNY0526-496e9f5.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Simon\" von=\"\" bromley=\"\" in=\"\" bikeradar=\"\" kit=\"\" riding=\"\" a=\"\" giant=\"\" tcr=\"\" up=\"\" climb=\"\" title=\"&quot;16-54-48_SNY0526&quot;\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> If you\u2019re a fan of hill climb racing, every gram might count, but otherwise it\u2019s generally not something worth worrying about.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Steve Sayers \/ Our Media<\/i><\/span><\/div>\n<p>For most riders, though, a few tens of grams here or there isn\u2019t likely to make much, if any, noticeable difference to performance.<\/p>\n<p>With most of the best aero road helmets coming in under 300g for a size medium, weight usually isn\u2019t an issue for all but the most dedicated weight weenies or <a href=\"&quot;https:\/\/www.bikeradar.com\/features\/pro-bike\/2022-hill-climb-bikes\/&quot;\">hill climb<\/a> racers.<\/p>\n<h3>Safety features<\/h3>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-694740\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2022\/08\/Smith-Optics-Ignite-MIPS20220823SvB5DSRMG0353-457942c.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Smith\" optics=\"\" ignite=\"\" mips=\"\" title=\"&quot;Smith\" mips_20220823_svb_5dsr_mg_0353=\"\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> The Smith Optics Ignite MIPS uses Koroyd in addition to standard EPS foam in its core.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Simon von Bromley \/ Our Media<\/i><\/span><\/div>\n<p>As with any <a href=\"&quot;https:\/\/www.bikeradar.com\/advice\/buyers-guides\/best-road-bike-helmets\/&quot;\">bike helmet<\/a>, an aero helmet\u2019s primary job is to provide adequate protection for your head.<\/p>\n<p>While all of the helmets listed here meet or exceed the minimum required international safety standards (EN-1078 in the UK and EU or CPSC 1203 in the US), many will go above and beyond this level of protection.<\/p>\n<p>Some helmets, for example, use alternative core materials, such as <a href=\"&quot;https:\/\/www.bikeradar.com\/reviews\/helmets\/road-cycling-helmets\/smith-optics-ignite-mips-helmet-review\/&quot;\">Koroyd<\/a> or <a href=\"&quot;https:\/\/www.bikeradar.com\/reviews\/helmets\/road-cycling-helmets\/bontrager-xxx-wavecel-road-helmet-review\/&quot;\">WaveCel<\/a>, in place of (or in tandem with) standard EPS (Expanded Polystyrene) foam in certain areas.<\/p>\n<div class=\"&quot;image-handler__container\" image-handler__container--aspect=\"\" style=\"&quot;padding-bottom:\" calc=\"\"> <picture><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?webp=true&amp;quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?quality=90&amp;resize=299%2C199,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?webp=true&amp;quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?quality=90&amp;resize=354%2C236,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?webp=true&amp;quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?quality=90&amp;resize=404%2C269,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?webp=true&amp;quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(max-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?quality=90&amp;resize=554%2C369,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?webp=true&amp;quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?quality=90&amp;resize=620%2C413,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?webp=true&amp;quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?quality=90&amp;resize=407%2C271,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?webp=true&amp;quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/webp&quot;\"><source media=\"&quot;(min-width:\" data-srcset=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?quality=90&amp;resize=555%2C370,\" https:=\"\" type=\"&quot;image\/jpeg&quot;\"><img class=\"&quot;wp-image-727287\" align=\"\" size-landscape_thumbnail=\"\" image-handler__image=\"\" image-handler__image--aspect=\"\" no-wrap=\"\" js-lazyload=\"\" data-src=\"&quot;https:\/\/images.immediate.co.uk\/production\/volatile\/sites\/21\/2023\/05\/Trek-Ballista20230426SvB5DSRMG0712-1932ff5.jpg?quality=90&amp;resize=620%2C413&quot;\" width=\"&quot;620&quot;\" height=\"&quot;413&quot;\" alt=\"&quot;Trek\" ballista=\"\" helmet=\"\" title=\"&quot;Trek\"\/><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture><\/div><div class=\"&quot;caption-hold&quot;\"><figcaption class=\"&quot;wp-caption-text&quot;\"><span class=\"&quot;caption-copy&quot;\"><i class=\"&quot;icon-arrow\" icon-camera-circle=\"\"\/> Like many other high-end helmets, the Trek Ballista has a MIPS liner.<\/span><\/figcaption><span class=\"&quot;im-image-caption&quot;\"> <i>Simon von Bromley \/ Our Media<\/i><\/span><\/div>\n<p>Features aimed at reducing the effects of rotational brain injuries from head impacts are also increasingly common.<\/p>\n<p>Many helmets now include technology such as <a href=\"&quot;https:\/\/www.bikeradar.com\/advice\/buyers-guides\/what-is-mips\/&quot;\">MIPS liners<\/a>, for example, while other brands have devised their own internal testing protocols (such as Kask\u2019s WG11 certification), with the aim of ensuring their helmets offer enhanced protection beyond the basic legal requirements.<\/p> <\/body><\/html>\n<hr class=\"no-tts wp-block-separator\"\/>","protected":false},"excerpt":{"rendered":"<p> Five wind-cheating helmets for road riding, as reviewed by the BikeRadar test team <\/p>\n","protected":false},"author":24,"featured_media":51823,"template":"","categories":[1],"acf":{"readingTimeMinutes":"11"},"uagb_featured_image_src":{"full":["https:\/\/c01.purpledshub.com\/uploads\/sites\/43\/2023\/07\/five-of-the-best-aero-cycling-helmets-in-2023-as-tested-by-bikeradar-scaled.jpg",2560,1707,false],"thumbnail":["https:\/\/c01.purpledshub.com\/uploads\/sites\/43\/2023\/07\/five-of-the-best-aero-cycling-helmets-in-2023-as-tested-by-bikeradar-150x150.jpg",150,150,true],"medium":["https:\/\/c01.purpledshub.com\/uploads\/sites\/43\/2023\/07\/five-of-the-best-aero-cycling-helmets-in-2023-as-tested-by-bikeradar-300x200.jpg",300,200,true],"medium_large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/43\/2023\/07\/five-of-the-best-aero-cycling-helmets-in-2023-as-tested-by-bikeradar-768x512.jpg",768,512,true],"large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/43\/2023\/07\/five-of-the-best-aero-cycling-helmets-in-2023-as-tested-by-bikeradar-1024x683.jpg",800,534,true],"1536x1536":["https:\/\/c01.purpledshub.com\/uploads\/sites\/43\/2023\/07\/five-of-the-best-aero-cycling-helmets-in-2023-as-tested-by-bikeradar-1536x1024.jpg",1536,1024,true],"2048x2048":["https:\/\/c01.purpledshub.com\/uploads\/sites\/43\/2023\/07\/five-of-the-best-aero-cycling-helmets-in-2023-as-tested-by-bikeradar-2048x1365.jpg",2048,1365,true]},"uagb_author_info":{"display_name":"importmanagerhub@sprylab.com","author_link":"https:\/\/c01.purpledshub.com\/cyclingplus\/author\/importmanagerhubsprylab-com\/"},"uagb_comment_info":0,"uagb_excerpt":"Five wind-cheating helmets for road riding, as reviewed by the BikeRadar test team","_links":{"self":[{"href":"https:\/\/c01.purpledshub.com\/cyclingplus\/wp-json\/wp\/v2\/rss_feed\/51822"}],"collection":[{"href":"https:\/\/c01.purpledshub.com\/cyclingplus\/wp-json\/wp\/v2\/rss_feed"}],"about":[{"href":"https:\/\/c01.purpledshub.com\/cyclingplus\/wp-json\/wp\/v2\/types\/rss_feed"}],"author":[{"embeddable":true,"href":"https:\/\/c01.purpledshub.com\/cyclingplus\/wp-json\/wp\/v2\/users\/24"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/c01.purpledshub.com\/cyclingplus\/wp-json\/wp\/v2\/media\/51823"}],"wp:attachment":[{"href":"https:\/\/c01.purpledshub.com\/cyclingplus\/wp-json\/wp\/v2\/media?parent=51822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c01.purpledshub.com\/cyclingplus\/wp-json\/wp\/v2\/categories?post=51822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}