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Shimano Dura-Ace R9170 Di2 Shift Kit (Disc Brake 2x11)

System engineering at its peak. Each of the components magnifies the qualities of the others for an unparalleled level of performance. Optimizing input to maximize output. That's how it achieves supremacy.

This shift kit listing includes:

  • Dura Ace R9170 11-speed Shifters (for disc brakes)
  • Dura Ace R9150 11-speed Rear Derailleur 
  • Dura Ace R9150 11-speed Front Derailleur (braze-on)

With a compact overall shape, the DURA-ACE R9170 levers bring both SHIMANO's praised hydraulic disc brake technology and the category-leading DI2 electronic shifting in a package ready for the most demanding of race situations. An updated button feel and layout ensure precise shifting while enhanced ergonomics guarantee comfort, allowing you to concentrate on the effort at hand.

The SHIMANO DURA-ACE R9150 DI2 front derailleur delivers quick and smooth front shifting even under high pedaling torque. It has programmed chain guide trim settings and can be used in full or semi SHIMANO SYNCHRONIZED SHIFT modes.

The DURA-ACE 9100 derailleur blends an aerodynamic SHADOW design with enhanced range options in a lightweight, attractive mechanism aimed at discerning road cyclists. The RD-9150 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting.

SHIMANO synchronized shift
Quick and smooth front shifting "under" high pedaling torque
Low profile rear derailleur design
Race endurance for less damage in crash
Ergonomic shifting operation without stress
Maintains compact and smooth appearance

Mfr Claimed Weight
320g (Shifters)
104g (Front Derailleur)
197g (Rear Derailleur)