Description: Excellent heat dissipation Provides strong, reliable braking power Slotted rotor ensures water and dirt are dispersed quickly Made with Stainless Steel for increased memory retention during heat cycles Easy installation, no hardware Specification: Material: Stainless Steel Position: Rear Outer Diameter : 220 mm / 8.7inch Inside Diameter: 125 mm / 4.9inch Bolt Racing Diameter: 105 mm / 4.1inch Bolt Hole Diameter: 10mm / 0.4inch Disc Thickness: 4.5 mm / 0.2inch Package Includes: 1 Piece Rear Brake Disc Rotor Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you