Shimano 105 ST-R7170 Di2 Shift/Brake Lever Set – Precision Meets Performance

Upgrade your road bike with the Shimano 105 ST-R7170 Di2, a game-changer for cyclists seeking electronic shifting precision and pro-level braking control. Designed for endurance riders and performance enthusiasts, this lever-and-caliper combo delivers seamless wireless gear changes and confident stopping power on every ride.

Key Features:

• Di2 Electronic Shifting: Lightning-fast, error-free shifts at the touch of a button—no cables, no compromise.
• Customizable Ergonomics: Adjust reach and reprogram buttons via the E-TUBE app for a personalized fit.
• Flat Mount Braking: Sleek, low-profile BR-R7170 caliper reduces rotor rub with 10% wider pad clearance.
• Wireless Cockpit: Eliminates clutter for a clean, aerodynamic setup.
• Maintenance-Friendly: One-way bleeding system and included L03A resin pads (finned alloy backplate) for heat dissipation.

Why Riders Love It:

• Perfect for long-distance road cycling or competitive racing—shifts stay crisp even under fatigue.
• The CR1632 batteries (included) ensure reliable power for extended adventures.
• Outperforms mechanical groupsets with consistent responsiveness in all conditions.

Ideal for upgrading to electronic shifting without breaking the bank, this set balances Shimano’s legendary reliability with cutting-edge tech. Pair it with a 105 Di2 groupset for a fully integrated ride.