Weight: 89g per set 38/24
Sizes: Outer - 40, 39, 38, 36 Inner - 27, 24
Material: 100% CNC-machined, 7075-T6 aluminum alloy. Aero design and reinforced rigidity
Shifting Pins: Steel
Compatibility: Designed to work with all 9, 10 and 11 speed groupsets