Shimano

Ultegra ST-R8170F Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper - Left/Front, 2x

Make every ride better with Shimano’s Ultegra ST-R8170 brake levers and BR-R8170 disc brake calipers. Shimano's SERVO-WAVE technology delivers enhanced modulation and precise control, while the Di2 platform provides fast, reliable wireless shifting for a clean and seamless setup.

The compact Shimano Ultegra BR-R8170 hydraulic 2-piston disc brake caliper offers a quicker initial braking point, improved modulation, and a quieter ride - all with easier maintenance. Ride with confidence, control, and efficiency.

• The wireless connection provides a clean cockpit, enhancing the aerodynamic effect and easy maintenance
• Wider pad clearance decreases brake noise
• Maintenance-friendly bleeding process
• Unparalleled ergonomic features, such as raised hood peaks on levers
• Brake control is optimized with light and smooth lever action
• Enhanced modulation thanks to an expanded braking control area
• Compatible with wireless or wired connection
• Includes L05A-RF pads
• Includes fork adapter for 160mm rotors