Brembo 09.B807.41 Front UV Coated 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 High Carbon cast iron minimizes noise and vibration and provides maximum performance and enhanced driving comfort Includes a fixing screw kit with all the necessary hardware for simple, more efficient and safer installation Outside Diameter (mm) 320; Nominal Thickness (mm) 30; Min TH (Discs)/Max Diameter (Drums) (mm) 27.4