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Equipment > Components > Derailleurs > Road - Front


Reliable and proven Di2 technology makes it way to Ultegra for incredibly easy and very precise shifting. This latest R8050 front derailleur is 11-speed compatible and Shimano finally listened to consumers by adding a GS rear derailleur option so you can use an 11-32T or 34T cassette. The R8000 also is slimmer and sheds about 22 grams over the RD-6870. The best thing about Ultegra Di2 is you get Dura-Ace Di2 performance for a fraction of the price.

Most derailleurs use a spring and cable tension to move the chain from cog to cog. The Shimano Ultegra RD-R8050 Di2 front derailleur employs highly innovative digital technology where an electronic signal is sent to a worm drive motor move the chain from chainring to chainring. Shifts are lightning-quick with no hesitation. Performance is on par with Dura-Ace Di2 except the Ultegra uses a slightly bulkier motor.

The front shifting might just be where the largest benefit of Di2 is realized for a couple reasons. Di2 front shifting is proportionately much faster than cable front shifts and this is thought to translate to a few bike lengths on the competition when cresting a hill. Also, front shifts on a cable system can be tough for riders with hand issues like arthritis or carpal tunnel. Di2 make the shifting effort just like clicking a mouse. One of the slickest features of Di2 is the auto-trim of the front derailleur. The front derailleur automatically centers itself when rear shifts are made making front derailleur cage rub a thing of the past.

The Ultegra Di2 front derailleur is one part of the Di2 system including shifters, derailleurs, battery, battery charger, and several cables/wires.

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  • 132 grams actual weight
  • 11-speed compatible only
  • Customizable automatic trimming
  • Programmed electronic shifting - fast and accurate
  • Compatible with all E-Tube Di2 technology
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