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> Bicycling Catalog > Parts > Derailleurs > Rear > Shimano > Ultegra 11-Speed Di2 Rear Derailleur
Shimano Ultegra 11-Speed Di2 Rear Derailleur
  • Model: Short Cage
  • Model: Mid Cage

Shimano

Ultegra 11-Speed Di2 Rear Derailleur

Model # (RD-6870)
$244.99 - $249.99
Availability:
  • This item is not permitted to be shipped, however it can be purchased online and picked up at one of our stores at your convenience OR we can deliver to your home or office for a $50 fee to the following counties in Maryland: Anne Arundel, Baltimore, Carroll, Harford, Howard, and Baltimore City.
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Shimano Ultegra 11-Speed Di2 Rear Derailleur

Shimano's electric-shifting 11-speed Ultegra Di2 Rear Derailleur is driven by battery power and a servo motor, so shifts are fast, precise, and perfect every time. It's made of light, tough cold-forged aluminum while mid-cage and short-cage models give you your choice of cassette. Since there aren't any cables or housing to stretch or fail, maintenance is dramatically reduced and shifting accuracy is unprecedented. This high-tech derailleur is even designed to move inward under impact to reduce the potential for damage in a crash.

Features and Information

  • Chain-wrap capacity: 33 teeth
  • Largest cog: 28/32 tooth (short cage/mid cage)
  • 250/260 grams (short cage/mid cage)
  • For use with Shimano Di2 road drivetrains
 

REVIEW SNAPSHOT®

by PowerReviews
Option Barcode Manufacturer's Part Number Vendor Number
Mid Cage 00689228930551 IRD6870GS TRK-507910
Short Cage 00689228930544 IRD6870SS TRK-507909
 
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