Ultegra ST-R8170 Shift/Hydraulic Disc Brake Lever Left

Specifically developed for precise electronic shifting and powerful hydraulic braking performance on road bikes.

The Shimano ST-R8170 Ultegra Hydraulic Disc Brake Left Shift/Brake Lever is a cornerstone of the 12-speed Ultegra Di2 groupset, engineered for the demands of modern road cycling. This left-hand unit provides effortless and intuitive electronic shifting for your front derailleur, combined with the superior modulation and stopping power of Ultegra hydraulic disc brakes. Its refined ergonomics offer enhanced comfort and control, ensuring confident handling and precise gear changes in all conditions.

• Integrated electronic shifting for the front derailleur, part of Shimano's 12-speed Di2 system.
• Powerful and controllable Ultegra hydraulic disc brake performance.
• Optimized lever shape and texture for improved grip and comfort.
• Wireless cockpit integration (where applicable) for a cleaner setup.