Not in original packaging.
- Arm length : 170mm, 1BCD:104mm. Bottom Bracket diameter:23.79mm.
- Made from high quality AL6061 Aluminum Alloy. Excellent shockproof and maximum firmness. Light weight, high axial strength and compatibility.
- Easy to Install: Adjustable crank bolt help you modify your bike quickly.
- Adaptable for mountain bike, single speed bike, folding bike, etc. Compatible with 7/8/9/10 speed.