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Shimano Ultegra ST-R8170 Hydraulic Disc Brake Front Dual Control Lever/Caliper (2x12-speed)



Shimano's new Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO-WAVE technology. The all-new DI2 platform, used on both Dura-Ace and Ultegra, untethers the shifters while delivering the world's fastest, most reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better.
  • Clean Cockpit: Wireless connection enhances the aerodynamic effect and easy maintenance.
  • Unparalleled ergonomics engineering refined with pros' feedback.
  • Raised hood peak improves ergonomics.
  • Optimized brake control.
  • Lighter, smoother lever action.
  • Enhanced modulation thanks to an expanded braking control area.
  • Compatible with wirelessly or wired connection.
  • Available to additional satellite shifters.
  • High electronic energy efficiency.
  • 1.5 to 2 years of battery life with easy-to-change CR1632 shifter batteries.

 The Ultegra R8170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain.
  • 10% wider pad clearance decreases brake noise.
  • Maintenance-friendly bleeding process.

PLEASE NOTE: GROUP SALES ONLY. Because of limited availability of this item we cannot offer these for individual sale.

Model Number
Item Code
Shimano Ultegra ST-R8170 Hydraulic Disc Brake Front Dual Control Lever/Caliper (2x12-speed)