TWIN POWER666832 Rear 11.5 Floating Rotor Mesh Black High-quality floating rotors with black center and round holes from Twin Power. Produced by a premier disc brake manufacturer for Twin Power our direct bolt-on rotors are specially ground to help prevent warping. They are laser cut 11.5 in. rotors and includes aluminum adaptor ring to fit 84-99 H-D models with 2 in. center hole. CNC billet-machined carriers on floating rotors. Part Number : 666832 666832 Rear 11.5 Floating Rotor Mesh Black High-quality floating rotors with black center and round holes from Twin Power. Produced by a premier disc brake manufacturer for Twin Power our direct bolt-on rotors are specially ground to help prevent warping. They are laser cut 11.5 in. rotors and includes aluminum adaptor ring to fit 84-99 H-D models with 2 in. center hole. CNC billet-machined carriers on floating rotors. **** PLEASE NOTE ***** : 666832 These are performance and custom aftermarket products sourced to match or exceed original specifications as an alternative to the OEM version. Any Harley-Davidson part numbers referenced are for identification purposes only.