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Shimano Ultegra Di2 Rear Derailleur

ITEM NUMBER: 104 SHID42
PRICE POINT:
$349.98
6 IN STOCK
 
PRODUCT DESCRIPTION

Shimano Ultegra Di2 Rear Derailleur

Gone is the reliance on cable tension, indexing and a spring to control rear derailleur shifts, the Ultegra 6770 Di2 Rear Derailleur uses a worm drive to eliminate the pull and pull-back associated with a derailleur spring and cable. Once properly set up, the digital derailleur shifts with ultimate precision every time.

  • 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
  • Expanded chain wrap capacity accommodates a maximum 28 tooth cog for better compatibility with compact cranks
  • 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
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