Shimano Dura-Ace Di2 Rear Derailleur (RD-R9150)

CAD$849.99
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Shimano's Di2 drivetrains free you from shifting problems, drop your shifting effort to zero and give you complete riding confidence!

The all-new Dura-Ace RD-R9150 rear derailleur is easier than ever to setup and adjust, more resilient to crashes and offers increased customizability.

The Dura-Ace Di2 R9150 rear derailleur brings Shimano's mountain bike Shadow technology to the road. With the rear derailleur under the chainstay and cassette, the slimmer profile offers extra protection in crashes and helps with aerodynamics. Wheel changes can be faster too!

Also new to Shimano's 9150 groupset is the option to use Synchro-Shift.  Shifting up or down with your right lever will move both derailleurs as necessary to put you in the next hardest or easiest gear combination!

  •  Designed to work with Shimano's Dura-Ace 9150 Di2 11-speed drivetrain.
  • Use Shimano Synchro-Shift to customize your bike's shifting behaviour.
  • Quick and smooth rear shifting even under high pedalling torque.
  • Maximum sprocket 30T
  • Minimum sprocket 11T
  • Maximum chainring 16T
  • Total Capacity 33T
  • Weight 204g