Shimano Junction-B SM-JC41

Shimano Junction-B SM-JC41 - / /

Shimano Junction-B SM-JC41

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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.
  • For internal wire routing

SPECIFICATIONS

MODEL NO SM-JC41
SERIES ULTEGRA R8050 Series
Average weight 4.1
E-tube port (pcs) 4
Specification 4 connectors type of junction
E-tube connector (pcs) 0
Type Built-in type
Type Built-in type
SD300 connector (pcs) 0
SD300 port (pcs) 0
SD50 connector (pcs) 0
SD50 port (pcs) 4

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