The Shimano Dura-Ace RD-R9250 rear derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worthy of any podium. A single cage length shifts cassettes from 11-28 to 11-34, offering exceptional versatility.

- Ultra-fast rear Di2 shifting
- Compact design includes an integrated wireless unit, charger, switch
- Wider range capacity
- Max. low sprocket: 34t
- CFRP rear derailleur plate
- LED status indicator
- Battery indicator, pairing, adjust mode etc.