Shimano Dura-Ace Di2 ST-R9170 Shifter Only (Disc Brake) imp Stack Height: 40mm

Stack Height: 40mm

providing more long-distance comfort

Folding bead design for lightweight performance

SRAM Road 11-speed compatible

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Shimano Dura-Ace Di2 ST-R9170 Shifter Only (Disc Brake) imp Stack Height: 40mmWith 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)