{"id":55767,"date":"2023-10-19T15:00:24","date_gmt":"2023-10-19T13:00:24","guid":{"rendered":"https:\/\/www.bikeradar.com\/?p=750394"},"modified":"2023-10-19T21:35:28","modified_gmt":"2023-10-19T19:35:28","slug":"new-dt-swiss-emtb-hubs-get-beefed-up-construction-to-withstand-greater-forces","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/cyclingplus\/rss_feed\/new-dt-swiss-emtb-hubs-get-beefed-up-construction-to-withstand-greater-forces\/","title":{"rendered":"New DT Swiss eMTB hubs get beefed-up construction to withstand greater forces"},"content":{"rendered":"

eMTB-specific 240 and 350 Hybrid hubs feature large flanges and steel freehub body <\/p>

By Oscar Huckle\n \t\t<\/p>

Published: Thursday, 19 October 2023 at 13:00 PM<\/p>

\n\n

DT Swiss has announced new 240 and 350 Hybrid hubs designed specifically for electric mountain bikes.<\/p>\n

The hubs feature larger flanges and a steel freehub body, with the 240 Hybrid using a new Ratchet EXP OS freehub body with larger bearings. All of these developments have been designed to withstand the greater forces generated by electric mountain bikes<\/a> and increase durability.<\/p>\n

A front 240 Hybrid hub will retail for $242.90 \/ \u20ac177.90 \/ AU$299, with the rear $459.90 \/ \u20ac335.90 \/ AU$549.<\/p>\n

The 350 Hybrid hub is cheaper at $116.90 \/ \u20ac92.90 \/ AU$189 for the front and $297.90 \/ \u20ac229.90 \/ AU$399 for the rear.<\/p>\n

The hubs will not be available to purchase separately in the UK, but we expect them to be specced OEM on complete bikes.<\/p>\n

A tougher build<\/h2>\n
\"DT\n<\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture>\n<\/div>
DT Swiss has enlarged the flanges.<\/span><\/figcaption> DT Swiss <\/i><\/span><\/div>\n

DT Swiss has revised the hub shell, increasing the size of the flanges both in their diameter and thickness for improved stiffness.<\/p>\n

Both 240 and 350 Hybrid hubs are designed specifically to accept DT Swiss 2.34mm spokes, which the brand says offer greater resistance to acceleration and braking over a thinner-diameter option.<\/p>\n

DT Swiss has also made some adaptations to its revered Ratchet EXP freehub system for the new hubs.<\/p>\n

\"DT\n<\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture>\n<\/div>
The Ratchet EXP OS is new for the 240 Hybrid hub.<\/span><\/figcaption> DT Swiss<\/i><\/span><\/div>\n

While the 350 Hybrid relies on a standard Ratchet system, the 240 uses DT Swiss\u2019 new Ratchet EXP OS. Both freehub<\/a> bodies are constructed from steel rather than the aluminium used on its non-Hybrid hubs.<\/p>\n

The Ratchet EXP OS features bigger 17x28x7mm bearings<\/a> than the 15x26x7mm examples found in the conventional Ratchet EXP system.<\/p>\n

\"Deconstructed\n<\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture>\n<\/div>
A closer look at the innards of the Ratchet EXP OS.<\/span><\/figcaption> DT Swiss <\/i><\/span><\/div>\n

The brand says this results in greater hub stiffness, less movement of the axle and therefore less stress on the bearings, increasing their durability.<\/p>\n

These new bearings not only feature more balls inside but the balls are also larger than the previous Hybrid hub generation.<\/p>\n

\"DT\n<\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture>\n<\/div>
Larger 30t Star Ratchets are on the menu.<\/span><\/figcaption> DT Swiss<\/i><\/span><\/div>\n

The steel Star Ratchet uses 30 rather than 24 teeth to account for the additional free movement of the cranks due to the motor.<\/p>\n

DT Swiss has also revised the axle the bearings spin on, with a larger wall thickness and reinforcement where the bearing installs onto it, which the brand says is to cope with the higher bending loads.<\/p>\n

The driveside bearing sits behind an M30 threaded ring on a standard Ratchet EXP freehub, which needs to be removed to access the bearing.<\/p>\n

\"DTSwiss_Hybrid_MTB_Hubs_Tech_Ringnut_Comp_1920px\"\n<\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture>\n<\/div>
The Ratchet EXP OS has a longer M32 threaded ring compared to the standard EXP.<\/span><\/figcaption><\/div>\n

The Ratchet EXP OS system uses a slightly longer M32 threaded ring, to cope with the forces transmitting from the freehub body to the hub shell.<\/p>\n

The axle is 18 per cent stiffer compared to the previous Hybrid MTB axle, according to DT Swiss.<\/p>\n

Claimed wheel weights<\/h2>\n
\"DT\n<\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/source><\/picture>\n<\/div>
The 240 Hybrid hub is only offered in 32h.<\/span><\/figcaption> DT Swiss<\/i><\/span><\/div>\n

The 240 Hybrid is claimed to weigh 156g front and 290g rear, with the 350 Hybrid not far behind at 174g front and 302g rear.<\/p>\n

While the 240 Hybrid hub is only available in 32 holes, the 350 Hybrid is available in both 32- and 36-hole options.<\/p>\n

The hubs come in Center Lock or 6-bolt disc brake rotor variants in Shimano HG, Shimano Micro Spline or SRAM XD freehub body options.<\/p> <\/body><\/html>\n

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