Di2 Cockpit Junction Box 3-Port

Di2 Cockpit Junction Box 3-Port

ISMEW90A

Regular price$114.99
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California Region

  • San Rafael Available
  • Sausalito Available
  • Berkeley 2-4 days 7-10 days
  • Palo Alto Available
  • San Francisco 2-4 days 7-10 days
  • Sacramento Available
  • Los Gatos 2-4 days 7-10 days
  • Petaluma 2-4 days 7-10 days
  • Walnut Creek Available
  • San Jose Available
  • Pleasanton Available
  • Folsom Available
  • Roseville Available
  • Stanford Research Park 2-4 days 7-10 days
  • Distribution Center Available

Colorado Region

  • Denver East Available
  • Denver Downtown 2-4 days 7-10 days
  • Highlands Ranch Available
  • Parker Available
  • Distribution Center 2-4 days 7-10 days

Free shipping on all orders over $49. $12 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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Shimano Di2 Junction Box

  • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
  • Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
  • SM-EW90-A 3-Port Cockpit Junction Box connects 1 pair of Di2 shifters to the frame junction box via 3 SD50 E-tube wires
  • OEM front wiring kit for Dura-Ace Di2 9070
  • LED battery charge level indicator
  • Rear Derailleur adjustment mode
  • Internal Battery charging port
  • Includes Junction Box Band (CY9082) and Junction Box Hook (Mounting Plate, CY9081)