The new Shimano ULTEGRA ST-R8170 brake levers offer better modulation and control, thanks to Shimano's proven SERVO WAVE technology. The all-new Di2 platform, used on both DURA-ACE and ULTEGRA, offers our fastest and most reliable wireless shifting. Your time in the saddle is precious, Shimano can make it even better.

• Clean cockpit: wireless connection improves aerodynamic effect and eases maintenance
• Unparalleled ergonomics, perfected with feedback from professionals
• Raised hand guard improves ergonomics
• Optimized brake control
• Lighter and smoother lever action
• Optimized modulation through a larger braking control area
• Compatible with wired and wireless connection
• Available for additional satellite shift controls
• High electronic energy efficiency
• 1.5 to 2 years of battery life with easy-to-replace CR1632 shift command batteries
• Front 2-v
• Brake lever Brake caliper recommended: BR-R8170