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Shimano 105 ST-R7170-L Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper - Front, 2x, Flat Mount with Fork Adaptor, Black

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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