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Shimano Di2 SM-EW90-A Junction Box A - 3 Port


RRP: ¥12,844

Save: 37%


Availability: In stock Usually dispatched within 24 hours


The Shimano Dura-Ace Di2 (Dual Integrated Intelligence) is the next generation of junction boxes. Put to the test in competition and used in victories by pro riders in every condition, including the 2012 Tour de France Team Sky.

The under-stem Junction Box A is versatile with the multiple shifters. Mount the Junction Box A under the stem with the included rubber harness and can be used with the 9070 setup with multiple shifters. The EW90-A 3 Port Junction Box is designed for a standard drop-handlebar with both STI and Sprinter shifters.

Key Features:

  • Shimano Di2 EW90-A 3-port junction box
  • Designed for use with drop handlebars
  • Allows you to use both STI and Sprinter shifters for excellent versatility
  • Cables sold separately

Product Details

  • Shimano

Delivery & Returns

Express Delivery Available

If ordered before 8pm, delivered by courier next working day. Available on orders placed before 8pm (2pm weekends and Bank Holidays) for delivery next business day. Applies to most delivery addresses within mainland UK.

How long will it take to arrive?

Please check the stock availability notice on your item when placing your order. This item is: In stock | Usually dispatched within 24 hours

Please remember to add postal time (2-3 working days) to obtain a complete estimate of delivery to your door.

How will I know it has been sent

You will receive an email to confirm when your item has been sent.

You can also check the status of your order and individual items by accessing your account details and following the prompts.

Please allow 10 working days from the shipping date of your order before notifying us of any late deliveries.

It may be advisable to check with your neighbors to see if your delivery has been left with them, check any places it could be left such as: garage, porch, or behind garbage cans if it was too big to fit through your mailbox. Contact your local post office to see if the item has been returned to the depot as undelivered and awaiting collection.

If I'm not completely happy with my item?

Please see our returns policy.

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(1 review)

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Great Product



Excellent product. Purchased it for a Ultrega set up but I can easily change it to the new Dura Ace without changing this junction box.

Tue Sep 08 16:07:51 BST 2015 by

Shimano Di2 SM-EW90-A Junction Box A - 3 Port

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Shimano Di2 SM-EW90-A Junction Box A - 3 Port