DURA-ACE Di2 Rear Derailleur

Our fastest ever shifting across SHIMANO’s widest ever DURAACE gear range, the RDR9250 is capable of both race wins and personal bests.

The DURAACE RDR9250 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 T low sprockets brings new versatility to the world’s best road component group.

FEATURES
Our fastest ever rear shifting, 58% faster than RDR9150
Compact design includes an integrated wireless unit, charger, and switch
Adjust mode, etc.
Wider range capacity (Max. low sprocket: 34T)
CFRP rear derailleur plate