260mm (10.2") OD; 5mm thick. 56.3mm ID; 8.7mm (5/16") bored mounting holes with 3.25" bolt circle. Mount style ''A''. All Moto-Master brake rotors are manufactured from premium stainless steel; offering superb braking ability and are highly corrosion resistant. CNC machined; laser cut and precision double grinded within the tightest tolerance to eliminate any brake rotor vibration. All Moto-Master brake discs are made in Europe and approved. - Stainless - Thickness: 5.0 mm - No speedometer gap - Pitch 82.5mm - Comes with approval - OEM replacement reference 41500194. Note: 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.