Shimano 105 Di2 ST-R7170 Shifter Only (Disc Brake)
Worry-free Di2 shifting in a compact shifter size.
The new SHIMANO 105 shift/brake lever features Di2 electronic shifting for the first time, bringing precise, intuitive gear changes to even more riders. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics.
Clean cockpit: Wireless connection enhances the aesthetic of your bike while keeping shifting lightning fast.
Longer lasting. Uses two CR1632 batteries (battery life: 3.5 to 4 years)
Compact, ergonomic performance cascaded from DURA-ACE.
Raised hood peak improves ergonomics, while a longer hood body increases hand support.
Make DURA-ACE yours with custom button function and adjustable ergonomics
Easily change button function with the E-TUBE app.
Find your optimum lever position with simple reach adjust.
Left or Right Di2 Shifter (Choose from drop-down menu)
Hydraulic Disc Brake Specific
Does not include any calipers, brake/shift lever incl. CR1632 battery
(without EW-SD300 Di2 cable)
Mfr Claimed Weight