Brembo 09.9827.11 UV Coated Rear Disc Brake Rotor Environmentally friendly, solvent free UV coating offers superior protection of the disc, including braking plate surfaces; includes new intelligent marking location for immediate control of the minimum thickness Includes a fixing screw kit with all the necessary hardware for simple, more efficient and safer installation Outside Diameter (mm) 308; Nominal TH (mm) 20; Min TH (mm) 18