SHIMANO EW-JC304 Di2 4-Port E-Tube Junction for SD-300 Wires

SHIMANO EW-JC304 Di2 4-Port E-Tube Junction for SD-300 Wires

The Shimano 4 Port Junction EW-JC304 is used inside the bicycle frame to connect four EW-SD300 E-Tube wires to each other.

This is designed for use with Shimano SD300 E-tube wires, which are used on the current 12 speed road groupsets and Shimano EP8 ebike systems.

UPC: 192790597195
Manufacturer #: IEWJC304

Description: E-Tube Port Junction
Fits: SD300 E-tube wires
Model: EW-JC304
Notes: 4-port Junction
Series: DI2
Type: E-Tube Port

Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.