Shimano Disc Brake Adapter (203mm Rear) (IS Mount) - ISMMAR203SSA
Shimano Disc Brake Adapter (203mm Rear) (IS Mount) - ISMMAR203SSA, This is a Shimano Disc Brake Adapter for I.S. Frames to I.S. Calipers to run 203mm Rotor on the rear. Features: For 51mm caliper on 51mm frame using 203mm rotor Includes mounting hardware Specifications: Rotor Size: 203mm Caliper Type: 51mm I.S Brake Caliper Mount: 51mm Rear Frame/Fork Mount: 51mm IS Rear