Description

Designed for the 2 x 12-speed Shimano drivetrain, this Ultegra 8170 Di2 Front Shifter and Hydraulic Disc Brake Kit brings enhanced modulation and optimized brake control to every ride.

Features

• This J-Kit is a complete, pre-bled set with front (left) Ultegra ST-R8170 Di2 dual-control lever, BR-R8170 hydraulic disc brake caliper, hydraulic hoses and fittings
• Ultegra ST-R8170 brake lever brings enhanced modulation and optimized brake control to every ride by employing Shimano SERVO-WAVE technology
• The Di2 platform—used on both Dura-Ace and Ultegra—untethers the shifters while delivering fast, reliable wireless shifting
• Wireless connection provides a clean cockpit, enhances the aerodynamic effect and offers easy maintenance; plus the shifting is customizable via the Shimano E-Tube Project app
• High electronic energy efficiency means you get 1.5 to 2 years of battery life with the easy-to-change CR1632 shifter batteries (included)
• Raised hood peak improves lever ergonomics; ergonomic engineering has been refined with feedback from pro cyclists
• Lever offers light, smooth action and is compatible with wireless or wired connection
• Ultegra BR-R8170 disc brake caliper brings a new level of control to road cycling with enhanced modulation and a quicker initial braking point
• Despite its smaller construction, the caliper system is quieter than ever and easier to maintain
• 10% wider pad clearance decreases brake noise, and the expanded braking control area offers enhanced modulation
• Maintenance-friendly bleeding process