Rear Derailleur. 12-speed. Our fastest ever shifting across SHIMANO's widest ever DURA-ACE gear range, the RD-R9250 is capable of both race wins and personal bests. The DURA-ACE RD-R9250 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 28-34T low sprockets brings new versatility to the world's best road component group.
- Compact design includes an integrated wireless unit, charger, and switch
- LED status indicator
- Battery indicator
- Adjust mode, etc.
- Wider range capacity
- Max. low sprocket: 34T
- CFRP rear derailleur plate
- Average weight: 215 g
- Max. front difference: 16T
- Total capacity: 37T
- Low sprocket: 30T-34T
- Top sprocket: 11T
- SD300 port
- Charging port
- Charging cable: EW-EC300
