The Shimano Dura-Ace Di2 RD-R9250 Rear Derailleur brings a whole new level of ease to electronic shifting. Compared to previous Di2 derailleurs, shifts are 58% faster and more precise. Available in only a single cage length, it is now compatible with wider range cassettes, from 28 to 34 tooth cogs max. With an integrated charging port and LED status indicator light, keeping your shifting powered up and connected has never been simpler.
- Fastest ever rear shifting, 58% faster than RD-R9150
- Compact design includes an integrated wireless unit, charger, switch
- LED status indicator: Battery indicator, Pairing, Adjust mode etc.
- Wider range capacity: max. sprocket: 34T
- Carbon fiber reinforced polymer rear derailleur plate
Speed: 12 Speed
Shifter Compatibility: Shimano Di2
Shift Mechanism: Electronic (Wireless/Wired)
Max. Tooth: 34T
Min. Tooth: 11T
Chain Wrap Capacity: 39T
Cage Material: Carbon
Chain Retention: Shadow
This product is expected to become available for purchase on Thursday, February 24, 2022