SRAM Rival GXP Double Chainset - 172.5mm Teeth_28T Tooth range: 24 / 32

Tooth range: 24 / 32 / 42T

Compatibility: Ultegra FC-6750

Multi-bearing design uses two ball bearing units to provide a low-friction and reliable shifting action with a one piece lower alloy thumb release lever increasing durability and giving sharp precise shifts

Lightweight rear brake

Heavily siped “cut spike” design bites into the terrain

SRAM Rival GXP Double Chainset - 172.5mm Teeth_28T Tooth range: 24 / 32SRAM Rival GXP Double Chainset 50 34T 172. 5mm Sram rival open core technology (OCT) crank set shows the way forward for any serious cyclist, putting power to the road while saving weight at the same time. Open core technology means the crank arms are hollow forged out of AL 6066 alloy for maximum strength and mount our PowerGlide 10 speed Chain rings. OCT construction is stronger and lighter than standard solid core alloy cranks. PowerGlide Chain