Product Info: Part: Disc Brake Rotor Color: Silver Rotor Style: Drilled and Slotted Center Hole Diameter: 70.8 millimeters / 2.79 inches Discard Thickness: 16.8 millimeters / 0.66 inches Nominal Thickness: 18 millimeters / 0.71 inches Outside Diameter: 296 millimeters / 11.