Shimano Disc Brake Adapter (180mm Front) (IS Mount) - ISMMAF180PSA
Shimano Disc Brake Adapter (180mm Front) (IS Mount) - ISMMAF180PSA, Shimano Disc Brake Adaptor Features: For 74mm caliper on 51mm fork, using 180mm rotor Includes mounting hardware Specifications: Brake Caliper Mount Type: Post Mount (74mm) Mount | Rotor Size: Front IS | 180mm Rotor