Shimano Di2 Junction 4 Port Unit

The Shimano Di2 Compact 4 - Port Junction Unit, also called the SM - JC41 JUNCTION UNIT, offers a smart way to connect up to 4 Di2 electronic shifters. It's sleek, efficient, and designed for internal cable routing. This lightweight unit is easy to install and maintain, giving cyclists of all levels a smooth and reliable electronic shifting experience.

Using this Shimano Di2 4 - Port Junction Unit is easy. First, connect up to 4 Di2 electronic shifters to the unit. Make sure to route the cables internally as it's designed for this type of setup. When installing, handle the unit gently as it's lightweight. For maintenance, keep it clean and dry. Avoid exposing it to extreme temperatures or moisture. If you face any issues with the shifting, check the connections to ensure they are secure. Regularly inspect the unit for any signs of wear or damage.