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Shimano RD-R9250 Dura-Ace Di2 12-Speed Rear Derailleur  £629.99

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Shimano RD-R9250 Dura-Ace Di2 12-Speed Rear Derailleur
IDPart CodeStockPriceBasketWishList
33086RDR9250In Stock
£629.99
RRP £699.99
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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.
  • The rear derailleur is now the brains of the system with wireless connectivity to the shifters. It acts as the point the system is charged, provides ANT+ connection to 3rd party devises and replaces the handlebar junction.
  • Button on the derailleur for Di2 operations, and LED light denotes synchronized shift mode, setting mode and charge requirements.
  • Programmed automatic motion at the touch of a switch makes this derailleur quick, smooth and effortless to shift.
  • Synchronized Shift designed, developed to choose the next biggest or lowest gear ratio irrespective of whether a gear change needs to be made by the front or rear derailleur.
  • The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching.
  • Low profile Shadow derailleur design.
  • Derailleur contains a saver (fuse) function, where the inner structure is protected from strong impacts.
  • 11-34T wide gear ratio capacity will cater for compact setups as well as the traditional road double.
  • Full carbon fibre inner and outer pulley plates enhance rigidity and reduce weight.
  • Titanium B axle bolt for further weight savings.
  • High tolerance cold forged aluminium link plates and body construction is extremely light and durable.
  • Four self-lubricating micro-machined fluorine-coated link pivot bushings provide low-friction shifting.
  • Pulleys are made of tough DuPont Zytel for longer life and less chain noise.
  • 12-speed E-tube Di2 compatible.
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