{"id":37181,"date":"2022-05-25T09:00:56","date_gmt":"2022-05-25T07:00:56","guid":{"rendered":"https:\/\/www.bikeradar.com\/?p=680659"},"modified":"2022-05-25T09:16:12","modified_gmt":"2022-05-25T07:16:12","slug":"is-the-new-rondo-ratt-cf-the-future-of-road-bikes","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/cyclingplus\/rss_feed\/is-the-new-rondo-ratt-cf-the-future-of-road-bikes\/","title":{"rendered":"Is the new Rondo RATT CF the future of road bikes?"},"content":{"rendered":"

<\/p>

By Jack Evans\n \t\t<\/p>

Published: Wednesday, 25 May 2022 at 12:00 am<\/p>

\n\n

The new Rondo RATT CF is intended to be a variable-geometry all-road bike with 650b wheels<\/a> for \u201cgoing anywhere fast\u201d.<\/p>\n

Rondo\u2019s flip chip in the fork can transform the RATT from road bike<\/a> to gravel bike<\/a> in minutes, according to the brand.<\/p>\n

The RATT incorporates the Polish company\u2019s patented TwinTip technology seen on the Rondo HVRT CF0<\/a> road bike and Rondo Ruut AL Disc <\/a>gravel bike.<\/p>\n

The new bike appears to share characteristics of each. Rondo claims the RATT has \u201cthe speed of a classic road bike with the all-road character of a modern gravel bike\u201d.<\/p>\n

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The RATT is said to be responsive enough for sprinting on tarmac.<\/span><\/figcaption> Rondo<\/i><\/span><\/div>\n

Like the HVRT CF0, both models of the RATT \u2013 the CF1 and CF2 \u2013 are claimed to have a 1,000g carbon frame and carbon Rondo TwinTip fork.<\/p>\n

Rondo is yet to confirm the bikes\u2019 complete weight, but promises they compete with the fastest on- and off-road.<\/p>\n

The top-of-the-range RATT CF1 has a Shimano GRX RX800 groupset<\/a>, Rondo X Hunt 650B wheels and Vittoria Terreno Zero 47mm tyres.<\/p>\n

The CF2 is downgraded to a Shimano GRX RX400 groupset, Rondo LIT wheels and an aluminium instead of carbon seatpost.<\/p>\n

The Rondo RATT CF1 costs \u00a34,299 \/ \u20ac4,499 and the Rondo RATT CF2 \u00a33,399 \/ \u20ac3,599.<\/p>\n

Adjustable geometry<\/h2>\n
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The FlipChip fork brings variable geometry and versatility.<\/span><\/figcaption> Rondo<\/i><\/span><\/div>\n

The RATT can be switched from the off-road Lo axle position, with more trail, to the on-road Hi axle setting, which reduces trail mid-ride using the TwinTip fork.<\/p>\n

To do so, you loosen the front wheel\u2019s thru-axle<\/a> with a hex key and remove it. Then pull out the wheel and use a T25 Torx to flip the TwinTip. An adaptor amends the angle of the brake rotor.<\/p>\n

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The Hi axle position steepens the head and seat angles, and cuts trail by 16mm.<\/span><\/figcaption> Rondo<\/i><\/span><\/div>\n

In the Hi axle position, the head angle is steeper and the bike\u2019s handling quicker. Rondo says this gives the RATT \u201crace-like agility\u201d while retaining comfort from wider tyres.<\/p>\n

This setting replicates a \u201cclassic road bike position\u201d for accelerating up steep climbs and when sprinting, according to the brand.<\/p>\n

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The Lo axle setting relaxes the RATT\u2019s ride.<\/span><\/figcaption> Rondo<\/i><\/span><\/div>\n

Switching to the Lo position decreases the offset, making the trail longer and the head tube angle flatter. Rondo claims this setting adds compliance for going over uneven and off-road terrain.<\/p>\n

The Rondo RATT CF has \u201cpassive suspension zones\u201d at the dropout, lower part of the seat tube and the rear part of the top tube for added comfort, while the rest of the frame remains stiff, according to the brand.<\/p>\n

<\/colgroup>
\ufeff<\/th>Lo<\/th>Hi<\/th><\/tr><\/thead>
Size <\/b> (cm)<\/td>51<\/td>54<\/td>56<\/td>58<\/td>51<\/td>54<\/td>56<\/td>58<\/td> <\/tr>
Reach <\/b>(mm)<\/td>370<\/td>381<\/td>389<\/td>395<\/td>377<\/td>388<\/td>397<\/td>403<\/td> <\/tr>
Front centre<\/b> (mm)<\/td>574<\/td>593<\/td>608<\/td>620<\/td>582<\/td>600<\/td>616<\/td>627<\/td> <\/tr>
Stack<\/b> (mm)<\/td>529<\/td>552<\/td>576<\/td>596<\/td>523<\/td>547<\/td>571<\/td>590<\/td> <\/tr>
Effective TT <\/b>(mm)<\/td>531<\/td>550<\/td>565<\/td>577<\/td>529<\/td>547<\/td>563<\/td>574<\/td> <\/tr>
Head tube<\/b> (mm)<\/td>125<\/td>150<\/td>175<\/td>195<\/td>125<\/td>150<\/td>175<\/td>195<\/td> <\/tr>
Seat tube <\/b>(mm)<\/td>490<\/td>520<\/td>540<\/td>570<\/td>490<\/td>520<\/td>540<\/td>570<\/td> <\/tr>
Chainstays <\/b>(mm)<\/td>415<\/td>415<\/td>415<\/td>420<\/td>415<\/td>415<\/td>415<\/td>420<\/td> <\/tr>
BB drop<\/b> (mm)<\/td>65<\/td>65<\/td>65<\/td>65<\/td>71<\/td>71<\/td>71<\/td>71<\/td> <\/tr>
Wheelbase <\/b>(mm)<\/td>980<\/td>999<\/td>1,014<\/td>1,031<\/td>986<\/td>1,050<\/td>1,021<\/td>1,037<\/td> <\/tr>
Head tube angle<\/b>(degrees)<\/td>72.3<\/td>72.3<\/td>72.3<\/td>72.3<\/td>73.1<\/td>73.1<\/td>73.1<\/td>73.1<\/td> <\/tr>
Seat tube angle <\/b>(degrees)<\/td>73<\/td>73<\/td>73<\/td>73<\/td>73.8<\/td>73.8<\/td>73.8<\/td>73.8<\/td> <\/tr>
Fork length <\/b>(mm)<\/td>380<\/td>380<\/td>380<\/td>380<\/td>370<\/td>370<\/td>370<\/td>370<\/td> <\/tr>
Fork offset <\/b>(mm)<\/td>50<\/td>50<\/td>50<\/td>50<\/td>60<\/td>60<\/td>60<\/td>60<\/td> <\/tr>
Trail <\/b>(mm)<\/td>57<\/td>57<\/td>57<\/td>57<\/td>41<\/td>41<\/td>41<\/td>41<\/td> <\/tr><\/tbody><\/table>