The Shimano ULTEGRA Di2 ST-R8170-L shifter features wireless connectivity and optimized brake control. It is designed for 2 front gears.
Technical specifications
- Clean cockpit: wireless connectivity enhances aerodynamics and makes maintenance easier.
- Ergonomics refined using feedback from professional cyclists.
- A raised hood peak improves ergonomics.
- Optimized brake control.
- Lighter, smoother lever action.
- An expanded braking control area provides enhanced modulation.
- Compatible with wired and wireless connections.
- Available for use with additional satellite shifters.
- High electronic energy efficiency.
- Easy-to-change CR1632 shifter batteries provide 1.5 to 2 years of battery life.
- Front gears: 2-speed.
- Recommended brake caliper: BR-R8170.