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Shimano Ultegra Di2 Rear Derailleur - Bike Derailleurs / Shifters
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Shimano Ultegra Di2 Rear Derailleur

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$339.99
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$249.99
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Information

Shimano Ultegra Di2 Rear Derailleur

What you need to know: Ultegra Di2 Conversion

If you're like those of us who crave Di2's precision performance but can't justify the capital expenditure that Dura-Ace Di2 demands, the new Ultegra Di2 is like manna from heaven. The Ultegra Di2 group delivers the very same, radically awesome shifting performance that the Dura-Ace Di2 early adopters have been enjoying all along. That means ultra-precise, ultra-consistent, ultra-smooth, ultra-reliable gear changes, up and down your cassette's entire gear range. A description doesn't do this technology justice, but a single ride is more than it takes to convince you that this is what precision shifting performance is all about. And thanks to Ultegra Di2, that ride just become more affordable.
  • Programmed motion allows for quicker and smoother shifting
  • Servo motor keeps gear changes identical and precise every time, as the computer control unit analyzes each shift
  • Built-in crash saver function moves the derailleur inward under impact, reducing the potential for damage in the event of a crash
  • Derailleur recalibrates and realigns itself with the cassette following an impact
  • Expanded chain wrap capacity accommodates a maximum 28 tooth cog for better compatibility with compact cranks
  • Short cage design is compact
  • Maximum 28T rear sprocket capacity for wide-range gearing
  • Must be used in conjunction with the Shimano Ultegra Di2 Rear Derailleur Wire Kit, Shimano Ultegra Di2 Battery Pack, Shimano Ultegra Di2 Battery Charger and Shimano Ultegra Di2 Power Cable

Shimano Ultegra Di2 Rear Derailleur

capacity:

compatibility:
Shimano Ultegra Di2 components

material:

max. cog:
28T

max. front difference:
16T

min. cog:
11T

weight:
250g

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