Description
The Shimano 105 Di2 groupset takes the best from the high end Dura Ace Di2 and Ultegra Di2, in a more cost-efficient package, for precise, fast and reliable electronic shifting at an affordable price point. The ST-R7170 shifters are powered by 2xCR1632 batteries and wirelessly control the rest of the groupset. They also feature wireless customization via the E-Tube app and operate the powerful BR-R7170 brake caliper, now with 10% wider pad clearance.
- Adjustable reach and customizable buttons
- Powered by 2x CR1632 batteries
- Includes 1700mm brake hose
- L03A Resin brake pads included
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