11.5" / 292mm O.D., 50mm I.D. 8.7mm (5/16") counterbored mounting holes with 3.25" bolt circle (48.6mm mount hole to mount hole distance). Mount style 'G'. - Stainless - Outer diameters: 292.0 mm (11.5") - Inner diameter; 50.5 mm - Thickness: 5.0 mm - Number of holes: 5 - Counter bored holes - Hole diameter: 8.7 mm (5/16" bolts) - Pitch: 82.5 mm - Type: Fixed Disc - Turning direction: Omnidirectional - Speedometer drive gap: Yes. - OEM replacement reference 44136-84A and 44136-92. 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 ABE approved. Note: Actual application may vary on model year & model depending on wheels used. When in doubt a fitment check, prior to ordering, is advised. 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.