Shimano Ultegra DI2 R-8170 Shift Lever

Road cycling has never been this fun.

This is because the NEW ULTEGRA ST-R8170 DUAL CONTROL levers feature a completely new ergonomics, with even more precise brake modulation and wireless electronic shifting. This trio lets you focus on the next sprint, the next descent, or your teammates' words. The new Shimano ULTEGRA ST-R8170 brake levers offer better modulation and control, thanks to Shimano's proven SERVO WAVE technology. The brand-new Di2 platform, used on both DURA-ACE and ULTEGRA, delivers our fastest and most reliable wireless shifting. Your time in the saddle is precious; Shimano can make it even better.

Features

• Clean cockpit: wireless connection improves aerodynamic effect and eases maintenance.
• Unmatched ergonomics, refined with professional feedback.
• Raised hood improves ergonomics.
• Optimized brake control.
• Lighter and smoother lever action.
• Optimized modulation thanks to a larger brake control area. Compatible with wired and wireless connection.
• Available for additional satellite shifter controls.
• High electronic energy efficiency.
• 1.5 to 2 years battery life with easily replaceable CR1632 shifter batteries.
• Manufacturer weight: 391g (pair).