R8170 Ultegra Di2 Shifter and Brake
R8170 Ultegra Di2 Shifter and Brake

R8170 Ultegra Di2 Shifter and Brake

IR8170DRRDSC170A

Regular price$536.99
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Earn Up To $1000 in Reward Cards

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Now through December 24th, when you spend $250 or more in-store or online, you will receive a free rewards card to redeem on future purchases. Earn rewards while you shop and make this holiday season even sweeter! You can keep the card for yourself or give it to someone else—we won't judge.


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SPEND RECIEVE A:
$250 - $499 $25 Promo Card
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$5000 - $7999 $600 Promo Card
$8000+ $1000 Promo Card

Promotion is valid on all qualifying purchases made between 11/16/24 and 12/24/24, and the value of the Rewards Card is dependent on the qualifying purchase threshold (excluding any applicable costs of packaging, shipping & handling, or taxes). Offer not valid on gift cards. No discount is applied at the time of sale. Rewards Cards WILL BE EMAILED ON 12/26/24 for qualifying online purchases and are valid only at mikesbikes.com from 12/26/24 - 2/28/25. For in-store purchases and pick-ups, physical cards will be issued at the time of sale. Get Carded offer is not retroactive, and lost or stolen Rewards Cards will not be replaced. Physical and digital Rewards Cards expire on 2/28/25.


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California Region

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Colorado Region

  • Denver East Available
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  • Distribution Center 2-4 days 10-14 days

Free shipping on all orders over $49. $9 shipping for orders under $49.

Cannondale, Santa Cruz, Cervelo, Gazelle, BMC, and *other bikes ship for FREE, but Gold Label Assembly will be added at checkout for only $79 (reg. $100) to cover the professional bike build and re-packaging by our certified technicians. It’s bike shop quality, direct to your door!

Some bikes not eligible for shipping due to manufacturer restrictions.

Shop with confidence! It's important to us that you are happy with your Mike’s Bikes purchase so we offer offer a 30-day return/exchange window for your unused gear and 14 days on all bikes. Our exchange and return process is fast and easy. If you choose to exchange for a different size or color, we will ship your product for free.

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Your time on the bike is precious, let Shimano make it even better. Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO-WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. The BR-R8170 hydraulic 2-piston disc brake caliper brings a new level of control to the road cycling world with improved modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain.

FEATURES:

  • The wireless connection provides a clean cockpit, enhancing the aerodynamic effect and easy maintenance
  • Wider pad clearance decreases brake noise
  • Maintenance-friendly bleeding process
  • Unparalleled ergonomic features, such as raised hood peaks on levers
  • Brake control is optimized with light and smooth lever action
  • Enhanced modulation thanks to an expanded braking control area

SPECS:

  • Brake Caliper Mount: Flat Mount
  • Hydraulic Fluid Type: Mineral Oil
  • Rear Der/Shifter Compatibility: Shimano Road Di2
  • Adjustable Reach: Yes
  • Rotor Included: No
  • Pad Compound: Resin
  • Front Der/Shifter Compatibility: Shimano Road Di2
  • Brake Lever Actuation: Hydraulic
  • Drivetrain Speeds: 12