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Shimano Di2 Junction 4 Port Unit
The Shimano Junction B - E-TUBE - Internal DI2 Wire Port serves as the central connector for DI2 systems. It connects wires from the front and rear derailleurs, cockpit area, and battery into the 4-port SM-JC41 junction, which is located inside the bike frame.
$31.68
Shimano Di2 Junction 4 Port Unit—
$31.68
Description
The Shimano Junction B - E-TUBE - Internal DI2 Wire Port serves as the central connector for DI2 systems. It connects wires from the front and rear derailleurs, cockpit area, and battery into the 4-port SM-JC41 junction, which is located inside the bike frame.
