Rival 1 Crankset Size:172.5mm Dimensions: 28 x 38 x

Dimensions: 28 x 38 x 24cm (L x W x D)

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

Lighter shifting operation

pull and roll out from the transition smoothly

Two-way zip closure at main compartment

Rival 1 Crankset Size:172.5mm Dimensions: 28 x 38 xWith 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.