Shimano Ultegra DI2 R-8170 Shifter

Road cycling has never been this much fun.

That's because LE NEW ULTEGRA ST-R8170 DUAL CONTROL LEVERS feature completely new ergonomics, even more precise brake modulation and wireless electronic shifting. This combination lets you focus on the next sprint, the next descent or what your companions are saying. The new Shimano ULTEGRA ST-R8170 brake levers offer improved modulation and control thanks to proven Shimano 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, and Shimano can make it even better.

Features

• Clean cockpit: wireless connectivity improves aerodynamics and simplifies maintenance.
• Unrivalled ergonomics, refined with feedback from professionals.
• Raised hood improves ergonomics.
• Optimised brake control.
• Lighter, smoother lever action.
• Optimised modulation thanks to a wider braking control range. Compatible with wired and wireless connections.
• Supports additional satellite shifters.
• Highly energy-efficient electronics.
• From 1,5 to 2 years of battery life with easily replaceable CR1632 shifter batteries.
• Manufacturer's stated weight: 391g (pair).

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.