11.5" / 292mm O.D; 56.3mm I.D.; 8.7mm (5/16") counterbored mounting holes with 3.25" bolt circle (48.6mm mount hole to mount hole distance). Mount style ''B''. 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 - Outer diameters 292.0 mm - Inner diameter 56.7 mm - Thickness 5.0 mm - Number of holes 5 - Hole diameter 8.7 mm - Pitch 82.5 mm - Type Fixed Disc - Speedometer prepared No - Comes with approval - OEM replacement reference 44260-00; 44156-00 & 44360-00A. 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.