Shimano

Ultegra ST-R8170-LF Di2 Shift/Brake Lever - Left, 2x

Shimano’s Ultegra ST-R8170 brake levers take control and precision to the next level with proven SERVO-WAVE technology for enhanced modulation. The Di2 platform eliminates shift cables, delivering fast, reliable wireless shifting for a cleaner setup. Your ride time is valuable—Shimano makes every second better.

• The wireless connection provides a clean cockpit, enhancing the aerodynamic effect and easy maintenance
• Unparalleled ergonomics engineering refined with feedback from professional riders
• Raised hood peak improves ergonomics
• Brake control is optimized with light and smooth lever action
• Enhanced modulation thanks to an expanded braking control area
• Compatible with wireless or wired connection
• High electronic energy efficiency, with 1.5 to 2 years of battery life from CR1632 shifter batteries
• Can be used with additional satellite shifters