Rear Derailleur Shimano-R9250 REAR DERAILLEUR DURA-ACE Di2 12-SPEED

The DURA-ACE RD-R9250 integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worth of any podium. A single cage length that is compatible with 28-34T low sprockets brings new versatility to the world's best road component group

Our fastest ever rear shifting, 58% faster than RD-R9150