The Shimano 105 ST-R7170 Di2 Shift/Brake lever features Di2 electronic shifting for precise, intuitive gear changes to even more riders. The 105 BR-R7170 caliper features the Shimano Flat Mount System and its low-profile design that is ideal for road bikes.Reach adjustment and customized button functions allow you to dial in your ideal ergonomics. Creates a clean cockpit with wireless connection and enhances the aesthetic of your bike while keeping shifting lightning fast. Easily change button function with the E-TUBE app. Includes 2 x CR1632 batteries. 10% wider pad clearance decreases the chance of disc brake rotor rub. Maintenance-friendly one way bleeding process. Includes L03A Resin pads with finned alloy backplate. Item Specifications: Adjustable Reach, Yes, Brake Caliper Mount, Flat

Shimano 105 R7170 Di2 Hydraulic Disc Brake & Shifter Set - Electronic Road Bike Components

Reference Number: 3SW4MD

Experience top-tier shifting performance and sleek aesthetics with the Shimano 105 ST-R7170-L Di2 Hydraulic Disc Brake/Shift Lever. Engineered for road cyclists seeking precise, reliable gear changes, this advanced setup combines cutting-edge materials, innovative technology, and ergonomic design for an exceptional riding experience.

Materials & Construction

Built with high-quality composite and alloy components, the Shimano 105 ST-R7170-L lever delivers durability, lightweight performance, and optimal stiffness. The resin pads with a finned alloy backplate ensure efficient heat dissipation, enhancing braking performance during long rides and intense climbs.

Performance & Engineering

Equipped with Shimano's Di2 electronic shifting technology, the ST-R7170-L provides lightning-fast, seamless gear changes with intuitive responsiveness. The hydraulic disc brake system, utilizing mineral oil, offers powerful stopping power, modulation, and consistent performance across varying conditions. The 10% wider pad clearance minimizes rotor rub, ensuring smooth, noise-free braking.

Components & Technology

This double lever setup supports Shimano's Flat Mount system for a sleek, integrated appearance and easy installation. Customizable reach adjustment and button functions via the E-TUBE app allow riders to personalize ergonomics and controls for tailored comfort and accessibility. The wireless connection setup simplifies integration with your Shimano Di2 drivetrain, elevating your bike's cockpit aesthetics while enhancing functionality.

Style & Use Case

Designed for road cycling enthusiasts, endurance riders, and competitive racers, the Shimano 105 ST-R7170-L seamlessly blends performance with style. Its matte black finish lends a modern, stealthy look ideal for high-end road bikes. The lever's ergonomic design ensures comfortable handling during long-distance rides, criteriums, or fast-paced climbs.

Innovative & Differentiating Features

- Di2 electronic shifting offers precise, reliable gear changes with minimal effort

- Hydraulic disc brakes provide powerful, modulation-rich stopping power

- Adjustable reach for personalized fit and comfort

- Easy button reprogramming via the E-TUBE app for versatile riding preferences

- Maintenance-friendly one-way bleeding process simplifies upkeep

- Includes 2 CR1632 batteries for long-lasting power

Optimize your road bike setup with the Shimano 105 ST-R7170-L Di2 Hydraulic Disc Brake/Shift Lever - the perfect combination of advanced technology, sleek style, and dependable performance for serious cyclists.

  • Shimano 105 ST-R7170-L Di2 Shift/Brake Lever with BR-R7170 Hydraulic Disc combines cutting-edge Shimano Di2 electronic shifting technology with a sleek, low-profile design for superior road bike performance.
  • Constructed with lightweight, durable materials, the Shimano 105 brake levers feature a high-precision hydraulic system powered by mineral oil for consistent, fade-free stopping power across various riding conditions.
  • Equipped with customizable reach adjustment and programmable buttons via the E-TUBE app, these levers offer personalized ergonomics and intuitive control for optimal comfort and efficiency during long-distance rides or competitive racing.
  • The flat mount calipers with wider pad clearance reduce the risk of rotor rub and enhance braking performance, making them ideal for high-performance road bikes seeking smooth, responsive stopping in all terrain.
  • Designed for seamless integration with Shimano's 12-speed Di2 drivetrain, these shift/brake levers deliver lightning-fast, reliable gear changes, simplifying upgrading your bike to electronic shifting for a superior cycling experience.
Item Specifications
Brake Lever ActuationHydraulic
Double or TripleDouble
Rotor IncludedNo
Brake Caliper MountFlat Mount
Brake Lever UseLeft
Brake TypeDisc
Drivetrain Speeds12
Front Der/Shifter CompatibilityShimano Road Di2
ColorBlack
Hydraulic Fluid TypeMineral Oil
Pad CompoundResin
Hydraulic Hose Length1000
Includes BrakeDisc
Adjustable ReachYes
Defined ColorBlack

Why 365 Cycles?

365 Cycles is an Authorized Shimano Dealer, and we offer the Full Shimano Warranty!

Fast Shipping!

Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!

365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.

At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.

We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.





Shipping & Handling

Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.

Please allow 1-2 business days for your order tracking to update.

  • Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
  • Friday afternoon -Sunday orders ship the following Monday
  • Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.

Combined Shipping Discounts

To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.

  1. Be sure you are using the US site: https://www.ebay.com
  2. Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
  3. Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
  4. Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
  5. You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.

Returns

365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.

Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.

Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.

If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!

Exchanges

If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.



HBSL0176 .

Company Details

365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

Connect With Us

Sign up for news, special offers & other good stuff!