Brembo 09.B746.51 UV Coated Front 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 Grooves/Drilling - The use of grooves and holes on the braking surface creates the following advantages such as Continuous revitalization of the friction material, Improved cooling, performance in wet conditions and resistance to fading Alloy cast iron braking surface - The use of special alloy cast iron with a high carbon content guarantees the best performance, even in the most extreme braking conditions