The Dura-Ace 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 bringing new versatility to the world's best road component group.
- Fastest ever rear shifting, 58% faster than Dura-Ace R9150 rear derailleur
- Compact design includes an integrated wireless unit, charger, switch
- LED status indicator displays battery information, pairing, adjust mode, and more
- Wider range capacity, up to 34t cog
- CFRP rear derailleur plate
- Includes TL-EW300 cable plug tool