300mm (11.8") OD; 5mm thick; 56.3mm ID; 8mm (5/16") counterbored mount holes; 3.25" BCD. Mount style B. Fits OEM or accessory cast & laced wheels with 3.25" bolt circle mount holes. Replacement reference 41500022 (left only) & 41500068 (right only); 41500172. Note: With approval. Check your local MCS dealer or the MCS sales department for exact type of approval and validity on bike model and years on the test report. Note: All Galfer brake rotor designs are symmetrical. This allows left or right side installation without optical issues. The innovative Galfer Disc Wave® coloured discs have undergone innovative colour anodizing treatment applied to the 7075 T6 aluminium centre; which not only gives them a distinctive appearance but also improves their visibility. Designed to exceed the expectations of the most demanding bikers; Galfer Disc Wave® discs offer precise and efficient braking and a significant weight saving which means increased safety and control on the road.