Shimano Disc Brake Adpator (203mm Rear) (IS Mount) - ISMMAR203PSA
Shimano Disc Brake Adpator (203mm Rear) (IS Mount) - ISMMAR203PSA, This is the Shimano SM-MA Rear 203mm P/S Disc Brake Mount Adapter. Features: For 74mm caliper on 51mm frame, using 203mm rotor Includes mounting hardware Specifications: Weight: 21g Rotor Size: 203mm Caliper Type: 74mm Post Mount Brake Caliper Mount Type: Post Mount (74mm) Frame/Fork Mount: 51mm IS Rear