Shimano EW-JC304 SD300 4 Port Junction

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EW-JC304 E-tube cable junction for internal EW-SD300 wire routing.

The 4 port Junction is required for connection of several componnts into the system with EW-SD300 wires.

  • To be positioned neatly inside frame tubing when connected
  • Cables sold separately
  • Reliable and secure water resistant connectors