Ultegra ST-R8170 Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper - Right/Rear - 12-
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Your time on the bike is precious, let Shimano make it even better. Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO-WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. The BR-R8170 hydraulic 2-piston disc brake caliper brings a new level of control to the road cycling world with improved modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain.
Brake control is optimized with light and smooth lever action
Compatible with wireless or wired connection
Enhanced modulation thanks to an expanded braking control area
Maintenance-friendly bleeding process
The wireless connection provides a clean cockpit, enhancing the aerodynamic effect and easy maintenance
Unparalelled ergonomic features, such as raised hood peaks on levers
Wider pad clearance decreases brake noise
Brake Lever Actuation
Brake Lever Use
Caliper Mount Style
Hydraulic Fluid Type
Hydraulic Hose Length
Number of Speeds
Rear Derailleur Compatibility
Shimano Road Di2
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