RACEWORK RKRFA Road Bike Aluminum Alloy 22-speed Crankset, Spec:, 50-34T without BB, 53-39T without BB, 50-34T with BB, 53-39T with BB

1. Material: aluminum alloy
2. Scope of application: road bicycles, folding bicycles
3. Number of teeth: 34-50T/53-39T
4.BCD: 110MM
5. Compatibility: 2 x 10/11 speed
6. The overall use of aluminum alloy material, durable
7. Shaft diameter: 24mm
8. Crank length: 170mm
9. Weight of crankset: about 736 grams (excluding the central axle)