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Default Title
SKU
ISMJC41
Barcode
4524667827467
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Description
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.
Specifications
For internal wire routing
Mfr Claimed Weight
4.1g