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

Shimano SM-EW90-A E-Tube Di2 Junction-A - 3 Port

With the Shimano SM-EW90-A E-Tube Di2 Junction-A - 3 Port 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 3-port design, one for down tube wire to bottom bracket junction, two for shifter connection.

Shimano SM-EW90-A E-Tube Di2 Junction-A - 3 Port Extra Info

• 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