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Load image into Gallery viewer, Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper - Rear, 12-Speed, Flat Mount,
Load image into Gallery viewer, Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper - Rear, 12-Speed, Flat Mount,
Load image into Gallery viewer, Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper - Rear, 12-Speed, Flat Mount,
Load image into Gallery viewer, Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper - Rear, 12-Speed, Flat Mount,
Load image into Gallery viewer, Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper - Rear, 12-Speed, Flat Mount,
Load image into Gallery viewer, Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper - Rear, 12-Speed, Flat Mount,
Load image into Gallery viewer, Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper - Rear, 12-Speed, Flat Mount,
Load image into Gallery viewer, Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper - Rear, 12-Speed, Flat Mount,

SKU: HBSL0290

Shimano 105 R7170 Di2 Hydraulic Disc Brake Shift/Brake Lever Set - 12-Speed Electronic Shifting, Flat Mount, Adjustable Reach, Carbon-Ready, Wireless Compatibility, Rear, Black

Regular price $465.00
$516.95 Sale price $465.00 Regular price
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Description
Specifications

Upgrade your road cycling performance with the Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc Brake Caliper - Rear. Designed for serious cyclists seeking precise control, lightweight durability, and sleek aesthetics, this 12-speed electronic shifting and hydraulic braking system is engineered to enhance your riding experience on every terrain.

Materials & Performance Engineering

Constructed with high-quality lightweight aluminum and durable resin pads, the Shimano 105 R7170 components deliver optimal strength and responsiveness. The hydraulic disc brake caliper utilizes mineral oil for smooth, powerful braking, ensuring consistent performance in various conditions. The low-profile Flat Mount system not only reduces weight but also enhances aerodynamic efficiency, making it ideal for road bikes focused on speed and agility.

Components & Technology

Featuring Shimano's advanced Di2 electronic shifting technology, the ST-R7170-RE lever provides automatic, precise gear changes at the push of a button-perfect for competitive racing and intense training sessions. The lever includes reach adjustment and customizable button functions, allowing you to tailor ergonomics and shift controls using the intuitive E-TUBE app. The caliper's larger pad clearance minimizes rotor rub, improving braking reliability and reducing maintenance.

Style & Use Case

Designed in a sleek black finish, the Shimano 105 R7170 system seamlessly integrates into modern road bike cockpits for a clean, aerodynamic look. Whether you're conquering long-distance rides, race day, or fast-paced group rides, this system offers the reliability and performance you need to push your limits.

Innovative & Differentiating Features

- Wireless electronic shifting connectivity for a clutter-free cockpit

- 10% wider pad clearance prevents rotor rub and enhances braking efficiency

- Maintenance-friendly one-way bleeding for effortless service

- Includes two CR1632 batteries for long-lasting, reliable operation

- Compatible with Shimano Road Di2 rear and front derailleurs for seamless gear coordination

Specifications:

- Hydraulic Disc Brake Lever (Right) with Flat Mount system

- 12-Speed Shimano Di2 Compatibility

- Hydraulic brake with mineral oil for consistent force

- Includes disc brake caliper (rotor not included)

- Adjustable reach for personalized comfort

- Hydraulic hose length: 1700mm

- Resin brake pads with finned alloy backplate for heat dissipation

Elevate your cycling performance with the Shimano 105 R7170 Di2 system-where innovative engineering meets superior style, delivering rapid, reliable shifts and powerful braking in a sleek, road-ready package. Perfect for road cyclists seeking precision, efficiency, and a modern aerodynamic design.

  • High-precision Di2 electronic shifting with the Shimano 105 R7170 series offers seamless 12-speed gear changes for competitive and recreational road cycling.
  • Designed with a sleek, low-profile Flat Mount hydraulic disc brake caliper, these components provide excellent stopping power and a streamlined aesthetic ideal for modern road bikes.
  • Constructed from durable materials, including resin pads with finned alloy backplates, the system enhances heat dissipation and longevity while reducing brake squeal and rotor rub.
  • Features customizable ergonomics with reach adjustment and programmable button functions via the E-TUBE app, enabling riders to tailor their cockpit for optimal comfort and performance.
  • Incorporating advanced components and technology, the Shimano 105 R7170 setup offers easy maintenance with one-way bleeding, cable-less wireless connectivity, and compatibility with Shimano Di2 electronic drivetrain systems for reliable, lightning-fast shifting.
Brake Lever ActuationHydraulic
Rotor IncludedNo
Brake Caliper MountFlat Mount
Brake Lever UseRight
Rear Der/Shifter CompatibilityShimano Road Di2
Brake TypeDisc
Front Der/Shifter CompatibilityShimano Road Di2
ColorBlack
Hydraulic Fluid TypeMineral Oil
Pad CompoundResin
Hydraulic Hose Length1700
Includes BrakeDisc
Adjustable ReachYes
Defined ColorBlack
keyword searchDi2
keyword search105
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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!

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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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