Shimano

SM-EW90-A E-tube Di2 Junction-A, 3 port

£104.99

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, one for down tube wire to bottom bracket junction, four for shifter connection. Ideally suited for TT/triathlon with multiple shifter positions

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

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