Shimano SM-EW90-B E-Tube 5 Cables DI2 Handlebar Conector
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The SHIMANO SM-EW90-B 5-port connection A mounts cleanly to the bike stem and connects with the E-TUBE cables of the DI2 derailleurs, accessory derailleurs and the down tube connection cable . The SM-EW90 junction box has a built-in battery level indicator, charging port, and gear index adjustment switch.
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