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Digital integrated intelligence or di2: with programmed automatic motion at the touch of a switch the Dura Ace Di2 rear derailleur is quick, smooth and effortless, making for unmatched drivetrain efficiency.
Digital integrated intelligence or di2: with programmed automatic motion at the touch of a switch the Dura Ace Di2 rear derailleur is quick, smooth and effortless, making for unmatched drivetrain efficiency.
Shimano

Shimano Dura-Ace Di2 Rear Mech - R9250 - 12spd - Black

£699.99
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Shimano Dura-Ace Di2 Rear Mech - R9250 - 12spd - Black

Brand:Shimano

Code:RDR9250

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.

Technical Information
  • Average weight:
    215g
  • Rear speeds:
    12
  • Mount | Direct attachment (conventional):
  • Mount | Direct mount:
  • Max. front difference:
    16T
  • Total capacity:
    37T
  • Low sprocket | Max.:
    34T
  • Low sprocket | Min:
    30T
  • Top sprocket | Max:
    11T
  • Top sprocket | Min:
    11T
  • Pulley | Teeth:
    11
Sizing Information
Professional Opinion

  • Our fastest ever rear shifting, 58% faster than RD-R9150
  • Compact design includes an integrated wireless unit, charger, and switch
  • LED status indicator - Battery indicator / Pairing / Adjust mode, etc..
  • Wider range capacity - Max. low sprocket: 34T.
  • CFRP rear derailleur plate
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