2 Front 1 Rear Brake Rotors Discs For Honda CB650F / CBR650F 2014-upFitment: Honda CB F 650 2014 up; Honda CBR F 650 2014 up. High quality 420 stainless steel with heat treated to ensure strong braking power and warp resistance. Discs can stay cool is by adding slots or grooves to the disc. These slots also provide an escape route for heat, gas and waste material, preventing it from building up on the contact surfaces. Wave design allows for better heat dissipation and water dispersion, the venting slots are designed