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Shimano Dura Ace 9070 Di2 EW90 Junction Box - EW90-B - 5-Port - TT Handlebar

Shimano Dura Ace 9070 Di2 EW90 Junction Box - EW90-B - 5-Port - TT Handlebar

by Shimano

£107.99

GTIN04524667986393

EAN4524667986393

MPNSMEW90B

Prices updated 16 Mar 2026

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Tweeks Cycles

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Product Description

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. This junction A is required to connect the shifters via E-tube wires to the down tube junction wire, 5 Port design specifically for TT setup and 3 port design specifically for drop handlebars.

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