Shimano Dura-Ace 3-Port Junction A
$ 116
SHIMANO – Junction A – E-TUBE – Under Stem Mount – 3-Port.
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.
| Weight | N/A |
|---|---|
| Specifications | https://bike.shimano.com/en-EU/product/component/duraace-9070-di2/SM-EW90-A.html |
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