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