This Shimano XTR disc brake adapter mounting bracket enables you to use 160mm rotors with 74mm Post Mount calipers on 51mm IS rear frame mounts. This is one of the most commonly needed disc brake adaptors needed for those using 160mm rotors - go XTR and get the best over the rest.
- 160mm rotor size
- 74mm Post Mount caliper
- 51mm IS rear frame
- Rear brake use only