Weight: 181g per set 53A/39
Sizes: Outer - 56A, 55A, 54A, 53A, 52A, 50A Inner - 44, 42, 39t
Technologies: 100% CNC-machined, 7075-T6 aluminum alloy. Aero design: reinforced rigidity and aerodynamics
Shifting pins: Steel
OCP: 5 OCP points
Compatibility: Designed to work with all 9, 10 and 11 speed groupsets
*Some cranks require specific Q rings