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Customers' Choice Shimano - Ultegra Di2 St-r8170 + Br-8170 Hydraulic Disc Brake 2x12-speed - Almost Gone [A7amqJgH]

$65.99 $211.99 -69%

Shimano Ultegra Di2 Hydraulic Disc Brake System Introducing the Shimano Ultegra Di2 ST-R8170 + BR-8170 Hydraulic Disc Brake 2x12-speed, a game-changer in cycling technology. This system seamlessly combines SHIMANO's category-leading hydraulic disc br

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Customers' Choice Shimano - Ultegra Di2 St-r8170 + Br-8170 Hydraulic Disc Brake 2x12-speed - Almost Gone [A7amqJgH]

Shimano Ultegra Di2 Hydraulic Disc Brake System

Introducing the Shimano Ultegra Di2 ST-R8170 + BR-8170 Hydraulic Disc Brake 2x12-speed, a game-changer in cycling technology. This system seamlessly combines SHIMANO's category-leading hydraulic disc brakes with Di2 electronic shifting, offering an unparalleled riding experience. The Ultegra Di2 ST-R8170 dual control levers provide a more intuitive shifting operation and an updated button feel, ensuring quick, precise shifts even when wearing thick gloves. This innovative system is designed for riders seeking the perfect blend of performance and control on the road.

Advanced Features and Specifications

The SHIMANO ULTEGRA R8050 DI2 dual control levers feature a new layout and button feel, making shifting more intuitive and responsive. The levers offer a greater range of reach adjust and a programmable ST button switch to control the hood, providing customizable functionality to match the rider's style. Each switch is adjustable for multi-shift ON or OFF, allowing for seamless and tailored shifting experiences. With the E-TUBE PROJECT, riders can easily program and customize their system for optimal performance. The ST top button remote switch is programmable for third-party cycle computers and shifting, enhancing rider control in all conditions.

Enhanced Performance and Practicality

The Shimano Ultegra Di2 ST-R8170 + BR-8170 Hydraulic Disc Brake 2x12-speed is the ideal choice for riders who demand top-notch braking and shifting performance. Whether you're tackling challenging trails or cruising along the open road, this system offers better braking and more control in all conditions. The minimized bracket size improves ergonomics, while the greater reach adjust range and better free stroke adjuster provide a comfortable and personalized riding experience. With lightweight race-ready materials, this system is built to last and deliver optimal performance, making it perfect for both road cyclists and mountain bikers alike.

What Our Customers Say

January 20, 2026

Absolutely no complaints!

This is a top-quality, and an absolute real must-have item.

- Madog Q..

January 20, 2026

Absolutely no complaints!

It’s a very fine and exceptionally so great-made tool.

- Rhiannon J..

January 20, 2026

Absolutely no complaints!

This is a very nice and a very, very quality product.

- Teyrnon L..

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