Shimano E-Tube 3 WiresDI2 Handlebar Conector
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The SHIMANO SM-EW90-A 3-port connection A mounts cleanly to the bike stem and connects with the E-TUBE cables from the DI2 derailleurs and the cable from the down tube connection. The SM-EW90 junction box has a built-in battery level indicator, charging port, and gear index adjustment switch.
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