Rival 1 Crankset Size:172.5mm pull and roll out from

pull and roll out from the transition smoothly

Blend of 850D and 600D polyester construction

Thin enough to use on the narrowest of adjusting cones

semi-rigid orthotic arch support insole that is designed specifically for your arch type

- Thickness: 0

Rival 1 Crankset Size:172.5mm pull and roll out fromWith one by drivetrains firmly established as a viable option in the mountain and cyclocross realms, SRAM is now in the process of expanding the one by paradigm to the road with its Rival 1 group. The Rival 1 GXP Crankset sits at the center of the group to guide the chain through the pedal stroke with perfect lines and outstanding chain retention.