Deragliatore Posteriore Shimano Ultegra RD-R8000-GS 11 Velocità Nero Capacità 34T
Upgrade your bike with the Shimano ULTEGRA RD-R8000-GS Rear Derailleur. It is compatible with 11-28T and 11-34T sprockets, supporting 28-34T capacity on the low side. Shimano Rd-R8000-Gs 11S Ultegra Rear Derailleur.