Shimano Ultegra ST-R8170 (Left)
Left (front)
Shifter + Hydraulic Caliper
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. BR-R8170 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
- The wireless connection provides a clean cockpit, enhancing the aerodynamic effect and easy maintenance
- Wider pad clearance decreases brake noise
- Maintenance-friendly bleeding process
- Unparalelled 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
- Rotor Included: No (sold separately)
- Pad Compound: Resin
- Brake Caliper Mount: Flat Mount
- Hydraulic Hose Length: 1100mm front; 1700mm rear
- Hydraulic Fluid Type: Mineral Oil
- Brake Lever Actuation: Hydraulic
- Rear Der/Shifter Compatibility: Shimano Road Di2
- Drivetrain Speeds: 12
- Color: Black
- J-Kit Technology: For some frames with internal routing, the J-Kit version may be easier to install, since everything is pre-bled. Disconnected lever comes pre-bled with connecting bolt/built in olive pre-installed. Brake caliper is pre-bled with brake hose connected/capped