SHIMANO Junction B Internal Wire Routing 4-Port

SM-JC41

DURA-ACE_9070_m

SM-JC41

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.

  • BENEFIT
    • For internal wire routing

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO SM-JC41
SERIES DURA-ACE 9070 Series
Average weight 4.1 g
Remarks For built-in type
   
E-tube port (pcs) 4
Specification 4 connectors type of junction
E-tube connector (pcs) 0
Type Junction [B]

SERIES LINE-UP

  • Battery SM-BTR2
  • Battery Mount SM-BMR1
    No Image
  • Front Derailleur FD-9070-F
  • Rear Derailleur RD-9070-SS