Shimano EW-JC304 Di2 Junction - 4 Port GSULT By combining trickle down technology

By combining trickle down technology with a greater accessibility

and its Di2 parts rely on wireless technology to simplify operation and ensure smooth shifting

With the new full carbon wheel FERNWEG Lightweight is setting new standards in terms of aerodynamics

Approximate weight: 11-30T: 223g

Shimano EW-JC304 Di2 Junction - 4 Port GSULT By combining trickle down technologyIntroduced with the Shimano EP800 series, the SD300 E Tube components form the interface between compatible STePS parts and expand the functional range of future Di2 systems. Shimano Di2 E Tube junction for the connection of 2 EW SD300 wires. Fixing by plug connection. Mfr Claimed Weight TBC