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Ochain R Chainring Spider (B1)
Overall Review
Since acquiring Ochain last July, SRAM has been working on a few updates to improve the system's durability. The design and benefits of the crank-mounted active spider remain unchanged—providing dampened rearward rotation of the chain ring to isolate the rider from chain-induced feedback—but the tolerances and sealing have been improved to increase service intervals. They’re also introducing a new ‘External Travel Adjust Kit’ as an upgrade for internally adjustable models, and have reduced compatibility to just SRAM 3- and 8-bolt cranks, and the Bosch CX Gen 5 motor. Ochain B1 Highlights...
Posted by Jason_Schroeder on 4/27/2026 10:57am
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Ochain Chainring Spider
Vital Review
Overall Review
If you've ever ridden a full-suspension bike without a chain, you likely noticed an improvement in its suspension performance. After watching some incredible chainless downhill runs on the UCI World Cup circuit, this Italian brand dreamt up a way to provide the benefits of riding without a chain, with a chain. On many bikes, chainstay growth during suspension compression causes the crankset to rotate counter-clockwise. This is also known as pedal kickback. By allowing some spring-loaded rotational movement within a reimagined chainring spider, the Ochain device is claimed to automatically...
Posted by bturman on 8/13/2020 6:11pm