The Shimano 105 ST-R7170 Di2 Shift/Brake lever features Di2 electronic shifting for precise, intuitive gear changes to even more riders. The 105 BR-R7170 caliper features the Shimano Flat Mount System and its low-profile design that is ideal for road bikes.
Reach adjustment and customized button functions allow you to dial in your ideal ergonomics
Creates a clean cockpit with wireless connection and enhances the aesthetic of your bike while keeping shifting lightning fast
Easily change button function with the E-TUBE app
Includes 2 x CR1632 batteries
10% wider pad clearance decreases the chance of disc brake rotor rub
Maintenance-friendly one way bleeding process
Includes L03A Resin pads with finned alloy backplate
California Prop 65 Warning:
This product may contain chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. (California law requires this warning be given to customers in the state of California.)
California CBE Fees:
Some products we sell may be subject to California’s Covered Battery-Embedded (CBE) Waste Recycling Fee (effective January 1, 2026) when a product contains a non-removable rechargeable battery. If applicable, the fee (1.5% fee with a $15 max per item) will either be added to your cart as a separate line item or be invoiced after your order is placed and before it can be fulfilled.
