Shimano Dura-Ace Di2 ST-R9170 Shifters + Flat Mount Caliper Set (Disc Brake)
With a compact overall shape, the DURA-ACE R9150 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.
Left + Right Di2 Shifter Set
Hydraulic Disc Brake Specific
Includes Dura-Ace flat mount calipers and fittings
Mfr Claimed Weight