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![Junction-B SM-JC41 Connector, for Internal Wire Routing, 150 mm, Black (bulk) [1]](https://gomagcdn.ro/domains2/dhsbikeparts.com/files/product/original/junction-b-sm-jc41-for-internal-wire-routing-frame-150mm-black-bulk-531175.png "Junction-B SM-JC41 Connector, for Internal Wire Routing, 150 mm, Black (bulk) [1]")
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The SM-JC41 Junction-B is a Shimano Di2-compatible signal distributor designed for internal cable routing. It features 4 E-Tube ports, making it ideal for connecting Di2 components such as shifters, derailleurs, and battery. With a 150 mm cable length and compact form factor, it integrates seamlessly within the bike frame. Supplied in bulk packaging (no retail box).
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