Hayes Post Disc Brake Adaptor for IS Mount, Front 160mm/Rear 140mm Rotor Diameter

Disc brake adaptors to fit standard post mount brakes to a variety of fork and frame mounts.Includes mounting boltsBrake Caliper Type: Post MountMount Rotor Size: Front IS 160 RotorMount Rotor Size: Rear IS 140 RotorWeight: 15