Provides up to 30% more stopping power than factory or factory-sized brake rotorsUpgrades not only performance, but improves the style of your factory wheelEach floating rotor is constructed from 420 stainless steel, and is drilled for optimum performance and heat dispersionBillet brake caliper adapters are included in each kit to properly relocate factory caliper to the proper positionUtilizes factory brake caliper, rotor hardware and brake hoseEasy bolt-on installation no need to re-bleed the brake systemEasy kit includes a floating rotor, brake caliper adapter bracket and necessary chrome hardwareDesigned to work with factory fork legs. 15'' kits will not work with Arlen Ness ''Hot Legs'' fork legs.