Shimano SM-MA90-R160P/S Rear Disc Brake Mount Adapter
This adapter enables you to mount Shimano post mount calipers to International Standard (IS) frames. While this adapter is specifically designed for XTR-M985/988 disc brakes, they can be used on all Shimano 74mm-caliper brakes.
- Rear brake use only
- 160mm rotors only
- Includes mounting hardware