Description
Shimano SM-JC40 E-tube Di2 Bottom Bracket Junction External
Introducing the Shimano SM-JC40 E-tube Di2 Bottom Bracket Junction External.
Junction is required for connection of rear mech, front mech, battery, and cable to battery indicator junction box.
To be mounted on bottom bracket cable guide threaded fitment.
Cables sold separately. Reliable and secure water resistant connectors.
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