Shimano Dura-Ace Di2 ST-R9170 Shifter Only (Disc Brake) imp 257g (114 links)

257g (114 links)

Optimizing input to maximize output

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Shimano Dura-Ace Di2 ST-R9170 Shifter Only (Disc Brake) imp 257g (114 links)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. Specifications Left or Right Di2 Shifter (Choose from drop down menu)