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Shimano Di2 Ultegra 6770 Rear Derailleur

Item #: RD250B00
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Shimano Di2 Ultegra 6770 Rear Derailleur

Shimano Ultegra Di2 6770 Rear Derailleur

Step up to Ultegra DI2 and prepare to be amazed. True electric shifting has arrived to the Ultegra-level group and it's everything we hoped for. Easy shifting at the touch of a finder, accurate, and effortless. This rear derailleur handles a maximum cog of up to 28T to accomodate your wide-range gearing needs.

  • pre-programmed
  • protected from impact damage by its reinforced inner cage
  • inner cage impact protection - cage moves automatically inwards on impact
  • 270 grams

Please Note: All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions. To update the firmware on your components, use the Di2 system checker from Shimano by clicking here.

4.0 / 5.0
1 Review
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Very smooth consistent shifts.
Very smooth, consistent shifting in all weather conditions. Current model is kinda clunky looking but works perfectly every time.

CONS: Heavy

BEST USES: Cyclocross, Road Biking, Racing
March 15, 2013
Location:
Ontario.

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Get free shipping with your $50 purchase today when you choose Standard Shipping at checkout. Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.