Description
SHIMANO’s SM-EW90-A 3-port Junction A mounts neatly to the bike stem and connects with E-TUBE wires from DI2 shifters and the downtube junction wire.
The SM-EW90 junction box features an integrated battery level indicator, charging port, and gear index setup switch.
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Quality Shimano Di2 Junction A Ew90a 3 Port for your collection.
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