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This junction A is required to connect the shifters via E-tube wires to the down tube junction wire.
This junction A is required to connect the shifters via E-tube wires to the down tube junction wire.
Shimano

Shimano Di2 SM-EW90-B E-tube Junction-A 5 Port

£109.99
Pre-Order

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Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Shimano Di2 SM-EW90-B E-tube Junction-A 5 Port

Brand:Shimano

Code:SMEW90B

The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts.

  • 3-port design, one for down tube wire to bottom bracket junction, two for shifter connection
  • Battery level indicator feature
  • E-tube EW-SD50 wires not included
  • Additional charging point when using internal battery
  • Gear index setup switch to allow fine tuning via shifter buttons
  • Reliable and secure water resistant connectors
  • Stem mounting strap included
  • Colour: Black
Sizing Information

General Unisex Brand Information

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