SHIMANO SM-EW90-A Di2 Cockpit Junction A Box 3-Port Under Stem Mount.
The junction box 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.
Everything pictured is included, nothing else is included.
If you have any questions don't hesitate to ask.
See detailed close-up pictures and read description for more.
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