Galfer Wavy 310mm Front Brake Discs Wave Rotors - Yamaha R1 09-14. Direct replacement for the OEM rotors Disc thickness: 5.14mm Dimensions Outer Diameter: 310mm Inside Bore Diameter: 132mm Number of Holes: 5 Hole Diameter: 8mm Distance between Hole to Hole: 88mm Pitch Circle Diameter (PCD): TBA Offset: 0mm
eBay