Shimano XTR R180P/S Disc Brake Adaptor for 180mm Rotor, 74mm Caliper, 51mm Frame

Shimano Disc Brake Adaptors allow the use of different sized rotors to your frame or fork.

• For 74mm caliper on 51mm frame, using 180mm rotor
• Includes mounting hardware

• Brake Caliper Type: Post Mount
• Mount | Rotor Size: Rear IS | 180 Rotor