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Shimano Change Dura Ace Di2 RD-R9250 12V

Shimano Change Dura Ace Di2 RD-R9250 12V

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List price €521,46 EUR
List price €879,90 EUR Price €521,46 EUR
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The RD-R9250 model, the fastest change for the largest range of Du-Ace Shimano relationships, guarantees victories in the race and personal records. The RD-R9250 Dura-Ace gearbox integrates a wireless connection unit, offering a super fast and precise gearbox, worthy of any podium.


Characteristics

  • Change faster than ever, 58% faster than RD-R9150.
  • Compact design includes an integrated wireless unit, a charger and a switch.
  • LED State indicator.
  • MIN-MAX Pignone: 34d
  • MIN-MIN PIGNON: 28D
  • Max-Max Pignone: 11d
  • Max-Min Pignone: 11d
  • Max ahead difference: 10d.
  • Dutch pulley: 11d.
  • Cage: SGS.
  • Real weight: 217 g.


Technologies

Direct Mount Rear Derailleur

The rear wheels are easier to remove with an assembly option for Shimano Shadow RD and Shimano Shadow RD+gearbox. Direct assembly was designed for a wide range of modern frames with large -section low sheaths, in particular for mountain bikes with swellings with passing axis. High flexibility regarding the design of the frames. There are no special tools (M10X1 assembly pivot, without e-clip)!

Shimano Shadow RD

Thanks to the Shimano Shadow RD mechanism, the new change is intended for a more aggressive pedaling style. The low -profile design offers numerous advantages as well as the single tensioning system that prevents the derailler from coming into contact with the chain in the presence of a very rough base. The result is an efficient and very silent operation.

Technical Details
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