Origin: Mainland China
Use: BMX,Mountain Bikes
Category: Chain Wheel
Model Number: Chain Wheel
Material: Aluminum Alloy
Material: 7075 aluminum alloy
Heat treatment: T6
Manufacturing process: 3D CNC
Compatible with: 10/11/12 speed
Weight: 32T-67g, 34T-75g, 36T 82g
Tips: This product does not include a crank