$18.40
$23.00
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The SHIMANO SM-EW90-B 5-port junction is carefully mounted on the bike handlebar stem and is connected to the E-TUBE cables of the DI2 gearshift controls and accessory gearshift controls and to the down tube junction cable. The SM-EW90 junction box is equipped with an integrated battery charge level indicator, a charging port and a ratio indexing switch.