The Shimano ST-R8170 Di2 Shift-Brake Lever delivers fast, wireless electronic shifting and powerful hydraulic braking in a sleek, ergonomic design built for the Ultegra R8100 series. Its refined hood shape, textured surfaces, and responsive Servo Wave brake feel provide superior comfort and control, while the wireless Di2 interface keeps your cockpit clean and shifting nearly instantaneous. Perfect for performance-focused riders, it offers customizable setup, reliable modulation, and pro-level precision in all conditions.

Key points:

• Wireless Di2 shifting for ultra-quick, consistent gear changes

• Servo Wave hydraulic system for powerful, precise braking

• Slimmer, more ergonomic hood and textured grip surfaces

• Reach adjust for personalized lever positioning

• Clean, cable-free cockpit integration with 12-speed Di2 systems