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.
| Largest Cog | 34 |
| Rear Der/Shifter Compatibility | Shimano Road Di2 |
| Rear Derailleur Mount Type | 10x1 Standard |
| Drivetrain Speeds | 12 |
| Chain Wrap Capacity (teeth) | 37 |
| Cage Length | Medium |
| Color | Black |
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