Shimano Ultegra 8170 Di2 2 x 12-Speed Front Shifter and Hydraulic Disc Brake Kit

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

Imported.

View the Shimano Di2 Product LineView all Shimano Disc Brake Calipers

Technical Specs

Best Use

Brake Mount

Number of Pistons

Brake Position

Brake Lever Position

Adjustable Contact Point

Adjustable Reach

Hydraulic Fluid Type

Hydraulic Hose Length

Pad Compound

Material(s)

Weight

Road Cycling

Flat Mount

2 Pistons

Front

Left

No

Yes

Mineral Oil

1000 millimeters

Organic (Resin)

Aluminum

374 grams