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

Specifications:

• Brake Lever Actuation: Hydraulic
• Double or Triple: Double
• Rotor Included: No
• Color: Black
• Brake Caliper Mount: Flat Mount
• Hydraulic Fluid Type: Mineral Oil
• Brake Lever Use: Left
• Pad Compound: Resin
• Hydraulic Hose Length: 1000
• Includes Brake: Disc
• Brake Type: Disc
• Adjustable Reach: Yes
• Drivetrain Speeds: 12
• Defined Color: Black
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• Front Der/Shifter Compatibility: Shimano Road Di2