11.5" Floating Rear Brake Rotor designed with 9 Spokes; Thickness is: 6.0mm Outer is manufactured with professional brake materials; Inner is machined with CNC-Cut and hard black anodized finish; Connected with stainless rotor bolts; Drilled for better heat dissipation and consistent braking in wet weather; Give improved feel, performance and stopping power; Compatible with all brake pad componds and aftermarket calipers; Sold in each. ( Packing is only with one piece of brake rotor.)