GENUINE HRC Racing Rear Brake Reservoir Kit fits CBR 600 1000 RR Fireblade R1 R6 GSXR Genuine HRC Honda Racing parts directly imported from Japan! Comprised of authenthic HRCRacing GP bike parts. Same exact kit part-by-part used by Honda Racing HRC's Moto3 MotoGP team! Ideal for replacing the clumsy ugly looking street set up of the rear brake reservoir with a sleek racy lightweight alternative. Great addition to your race, track or street bike.