- Connects up to 4 Di2 electronic shifters
- Designed for internal cable routing
- Compact and lightweight design
- Easy to install and maintain
The Shimano Di2 Junction 4 Port Unit, also known as the SM-JC41 JUNCTION UNIT, is the perfect solution for connecting up to 4 Di2 electronic shifters in a sleek and efficient manner. Designed specifically for internal cable routing, this compact and lightweight unit is easy to install and maintain, ensuring a seamless and reliable electronic shifting experience for cyclists of all levels.

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Taking advantage of original technologies and a wealth of experience accumulated throughout Shimano’s long history, they develop innovative products that go beyond the expectations of cyclists, anglers, and rowers. Shimano believe that their Captivating Products should feature not only exceptional quality and performance, but also a fascinating design that appeals to respective users’ sensitivities at first touch.
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