Shimano ST-R8170 & BR-R8170 Ultegra Hydraulic Front Disc Brake Set

The Di2 platform offers wireless shifting for swift and dependable gear changes. The BR-R8170 hydraulic 2-piston disc brake caliper enhances road cycling with better modulation and quicker initial braking, all within a compact, quieter, and easier-to-maintain system.

Key Features:

• Wireless connection for a clean cockpit and enhanced aerodynamics
• Wider pad clearance for reduced brake noise
• Easy maintenance with a user-friendly bleeding proces
• Ergonomic design with raised hood peaks on levers
• Optimal brake control with light and smooth lever action
• Expanded braking control area for enhanced modulation
• Compatible with both wireless and wired connection setups
• Includes L05A-RF pads
• Rotor Not Included (sold separately)
• Resin w/fins pad compound
• Flat Mount brake caliper mount
• Hydraulic hose lengths: 1100mm front, 1700mm rear
• Hydraulic Fluid Type: Mineral Oil
• Hydraulic brake lever actuation
• Rear Der/Shifter Compatibility: Shimano Road Di2
• Drivetrain Speeds: 12
• Color: Black
• J-Kit Technology: The J-Kit version is suitable for certain frames with internal routing, providing a pre-bled installation for easy setup. The disconnected lever comes pre-bled with a connecting bolt and pre-installed olive, while the brake caliper arrives pre-bled with the brake hose connected and capped.