SHIMANO
JUNCT-B, SM-JC41, INTERNAL, X4 E-TUBE PORT, ULTEGRA-DI2,
JUNCT-B, SM-JC41, INTERNAL, X4 E-TUBE PORT, ULTEGRA-DI2,
Regular price
$43.99 CAD
Regular price
$43.99 CAD
Sale price
$43.99 CAD
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For internal DI2 wire routing, SHIMANO's SM-JC41 Junction B is the central connector for DI2 systems. Wires from the front and rear derailleurs, cockpit area, and battery all plug into the 4-port SM-JC41 junction, which is housed inside the bike frame.
