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Shimano Di2 Ultegra 6770 Rear Derailleur

Item #: RD250B00
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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.

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REVIEW SNAPSHOT®

by PowerReviews
Shimano Ultegra DI2 RD-6770 R Derailleur
 
4.0

(based on 1 review)

Ratings Distribution

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Reviewed by 1 customer

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4.0

Very smooth consistent shifts.

By Limba

from Canada

About Me Avid Cyclist

Verified Reviewer

Pros

    Cons

    • Heavy

    Best Uses

    • Cyclocross
    • Racing
    • Road Biking

    Comments about Shimano Ultegra DI2 RD-6770 R Derailleur:

    Very smooth, consistent shifting in all weather conditions. Current model is kinda clunky looking but works perfectly every time.

    • Was this a gift?:
    • No

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