Sizes: Outer 53A, 52A Inner - 39t
Weight: 181g per set 53A/39
BCD: 130x5
Ovality: 10%
Material: 7075-T6 aluminium alloy 100% CNC-machined. 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