The Avid B64 Carbon Gearbox shims allow you to raise the rear gearbox to your desired height which ultimately provides more traction on that end.
- 100% Carbon Fiber
- Includes: (1) 0.5mm, (1) 1.0mm, (1) 2.0mm Shims
- Fits B64 and B64D
This product was added to our catalog on August 22, 2017