SHIMANO Junction B External Wire Routing 4-Port

SM-JC40

DURA-ACE_9070_m

SM-JC40

For external DI2 wire routing, SHIMANO's SM-JC40 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-JC40 junction, which is mounted under the bottom bracket.

  • BENEFIT
    • For external wire routing

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO SM-JC40
SERIES DURA-ACE 9070 Series
Average weight 8.6 g
Remarks For external spec (fixed on frame with screw)
   
E-tube port (pcs) 4
Specification 4 connectors type of junction
E-tube connector (pcs) 0
Type Junction [B]

SERIES LINE-UP

  • Shifting Switch (DI2 spec.) SHIMANO DI2 Remote Sprint Shifter
  • Electric Wires SHIMANO 3-Port Junction A
  • Electric Wires SHIMANO Junction B Internal Wire Routing 4-Port
  • PC Linkage Device SHIMANO PC Linkage Device Mini USB Port