Weight: 8% lighter than full alloy aero ring, 129g per Q52A BCD110
Sizes: Outer - 53, 52, 50t
Characteristics:
- - 100% CNC-machined, 7075-T6 aluminum alloy
- - Reinforced 3k woven, high-modulus carbon fiber finish
- - Aero design: reinforced rigidity and aerodynamics that increase stiffness by 20%
- - Steel shifting pins
- - 3 OCP points (4 points in 50/34)
- - Designed to work with all 9-, 10- and 11-speed groupsets