Weight: 171g per set 52/36
Sizes: Outer - 58A, 56A, 55A, 54A 53A, 52A, 50A Inner - 44, 42, 41, 39, 38, 36, 34t
Material: 100% CNC-machined, 7075-T6 aluminum alloy. Aero design: reinforced rigidity and aerodynamics
Compatibility: Designed to work with all 9, 10 and 11 speed groupsets
*Some cranks require specific Q-Rings