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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.
      ×

      Di2 SM-JC41 Junction Box

      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.

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SHIMANO

Di2 SM-JC41 Junction Box

SKU:

R 799.00
R 799.00
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Size
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Di2 SM-JC41 Junction Box

SKU Size Color STOCK (All Locations)
ISMJC41 One Size Black Sold Out (0 total)
Color
Black
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Di2 SM-JC41 Junction Box
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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.
×

Di2 SM-JC41 Junction Box

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.