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Load image into Gallery viewer, Shimano-Ultegra-ST-R8170-Di2-Shift-Brake-Lever-with-BR-R8170-Disc-Brake-Caliper-Hydraulic-Brake-Shift-Lever-Drop-Bar-Road-Bike-Time-Trial-Triathlon-Bike-Track-Bike-Road-Bike-Single-Speed-Fixie-HBSL0265
Load image into Gallery viewer, Shimano Ultegra ST-R8170F Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper - Right/Rear, 12-Speed, Flat
Load image into Gallery viewer, Shimano Ultegra ST-R8170F Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper - Right/Rear, 12-Speed, Flat

SKU: HBSL0265

Shimano Ultegra R8170 Di2 12-Speed Wireless Shift/Brake Lever with BR-R8170 Hydraulic Disc Caliper - Carbon Black, Enhanced Modulation, SERVO-WAVE Technology, Flat Mount, Lightweight, Ergonomic, All-Weather Performance

Regular price $605.00
$672.95 Sale price $605.00 Regular price
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Description
Specifications

Upgrade Your Road Cycling Experience with the Shimano Ultegra ST-R8170F Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper - Right/Rear, 12-Speed

Discover unrivaled precision and control with the Shimano Ultegra ST-R8170F Di2 hydraulic shift and brake lever paired with the BR-R8170 hydraulic disc brake caliper. Designed for serious road cyclists seeking elite performance, this high-performance component set combines advanced materials, innovative technology, and sleek styling to elevate your riding experience.

Materials & Engineering Excellence

Constructed from lightweight, durable high-grade materials, the Ultegra ST-R8170F levers deliver optimal ergonomics and reduced fatigue, even during long rides. The hydraulic caliper features a robust flat mount design with 2-piston functionality, ensuring consistent braking power and superior heat dissipation. The system utilizes sealed hydraulic lines with mineral oil, offering maintenance-friendly bleeding and long-lasting reliability.

Performance & Technology

Benefit from Shimano's proven SERVO-WAVE technology integrated into the levers, providing enhanced modulation and effortless control with a smooth, responsive feel. The Di2 platform offers wireless/e-wireless integration, eliminating clutter for a clean, aerodynamic cockpit. Experience rapid, precise shifting across 12 gears, allowing you to adapt seamlessly to varying terrains and riding conditions. The wider pad clearance minimizes brake noise, ensuring quiet operation, while the adjustable reach lets you customize lever feel to your hand size.

Components & Compatibility

This right/rear lever is compatible with Shimano Road Di2 electronic drivetrains, supporting 12-speed setups for wide-range gear options. The system includes organic brake pads (L05A-RF) for optimal stopping power and modulation. The hydraulic hose length of 1700mm provides versatile installation options, and the flat mount caliper design simplifies integration with modern road bikes.

Style & Use Case

Sleek black finish and aerodynamic styling make the Shimano Ultegra ST-R8170F ideal for performance-oriented road racers and endurance riders alike. Its minimalist design not only enhances aesthetics but also ensures easy maintenance and smooth operation during high-speed descents or sprint finishes. Perfect for upgrading your existing Shimano Ultegra Di2 setup or building a new high-performance road bike.

Innovative & Unique Features

- Wireless Connectivity: Clean cockpit with wireless or wired options for seamless integration.

- Enhanced Modulation: Expanded braking control area for precise, reliable stops.

- Ergonomic Design: Raised hood peaks and ergonomic lever contours for improved comfort and handling.

- Noise Reduction: Wider pad clearance decreases brake noise for a quieter ride.

- Maintenance-Friendly: Simplified bleeding process ensures easy maintenance and long-term performance.

Optimize your road cycling arsenal with the Shimano Ultegra ST-R8170F Di2 Shift/Brake Lever and BR-R8170 Hydraulic Caliper - engineered for precision, reliability, and style. Whether racing, training, or touring, these components deliver the performance and dependability you demand on every ride.

  • Shimano Ultegra ST-R8170F Di2 Shift/Brake Lever with BR-R8170 Hydraulic Disc Brake Caliper delivers precise and reliable 12-speed electronic shifting for road cyclists, enhancing performance and efficiency.
  • Constructed with lightweight high-quality materials, this ergonomic right/rear shifter features advanced SERVO-WAVE technology for smooth, powerful brake modulation, and effortless soft touch operation in any riding condition.
  • The hydraulic brake caliper utilizes innovative 2-piston technology and organic pad compounds for superior stopping power, responsive control, and quieter operation, reducing rider fatigue during long rides.
  • Designed with a sleek black finish and aerodynamic profile, these components are optimized for modern road bikes, offering compatibility with flat mount brake systems, and are compatible with wireless or wired Di2 setups for clean, streamlined cockpit integration.
  • Easy to maintain with bleed port access and adjustable reach, the Shimano Ultegra R8170 series provides exceptional performance, style, and reliability, making it the perfect upgrade for serious road cyclists seeking race-ready control and precision.
Brake Lever ActuationHydraulic
Rotor IncludedNo
Brake Caliper MountFlat Mount
Brake Lever UseRight
Rear Der/Shifter CompatibilityShimano Road Di2
Drivetrain Speeds12
Front Der/Shifter CompatibilityShimano Road Di2
ColorBlack
Hydraulic Fluid TypeMineral Oil
Pad CompoundOrganic
Hydraulic Hose Length1700
Adjustable ReachYes
Defined ColorBlack
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365 Cycles puts the customer above everything. Our number one goal is your satisfaction. When you press the shift lever you want the gears to shift, and when you buy bicycle parts, you want the bicycle parts to arrive on time in new condition. With over 60,000 products and 22 warehouse locations throughout the country, we have the parts you need and they are coming in hot!

Living an active lifestyle is just that, a lifestyle that never goes away and our goal is to always exceed your expectations so we can take this lifelong journey together. We strive to have the parts you need, at competitive prices with unmatched shipping speeds!

If there is ever an issue with an order we will work at warp speed to fix our mistake and make sure you never go a day without a bicycle! If you are not receiving the quality of service you need from one of our exceptionally qualified bicycle experts, tell them Ben Berman told you to tell them "Customer Loyalty" and then name your terms.

Our team is waiting to help you 7 days a week and they are more qualified to help than I am but if you ever feel like you're not getting the service you need I’m personally asking you to email me at ben@365cycles.com with "CUSTOMER LOYALTY" in the title and I will personally handle your order.

Over the years we have served millions of satisfied customers and continue to serve many of them today. With your feedback, we are confident we can take this lifelong journey together and build a friendship that goes beyond parts and accessories.

“If you want to go fast, go alone, if you want to go far, go together.” -Someone Smart

Ben Berman Founder & CEO of 365 Cycles


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These were established by the members of our team and we use them every week to call out team members who have shined in one of these areas. Feel free to let us know at info@365cycles.com if someone you worked with has gone above and beyond in one of these areas. 

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