SHIMANO Junction B Internal Wire Routing 4-Port

SM-JC41

ULTEGRA_R8050_m

SM-JC41

SHIMANO - Junction B - E-TUBE - Internal DI2 Wire Routing - 4-Port

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

TECHNOLOGIES

PRODUCT 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
SD300 connector (pcs) 0
SD300 port (pcs) 0
SD50 connector (pcs) 0
SD50 port (pcs) 4

SERIES LINE-UP

  • Power Cord (DI2 spec.) SHIMANO Battery Charger Cord for Europe
  • Power Cord (DI2 spec.) SHIMANO Battery Charger Cord for Japan
  • Power Cord (DI2 spec.) SHIMANO Battery Charger Cord for USA/Canada
  • Power Cord (DI2 spec.) SHIMANO Battery Charger Cord for China