Skip to content
Cart

Shimano Di2 3 Port Junction Box

Bikes are meant
to be used.

Upgrade your bike's electronic shifting system with a Shimano Di2 3 port junction box. These junction boxes are essential components that connect and manage the various wires and cables in your Di2 system. With a compact design and easy installation, these junction boxes provide a clean and organized setup for your electronic shifting system. Designed for external or internal wire routing, these junction boxes offer flexibility and compatibility with different bike setups. Whether you're a professional racer or a recreational rider, a Shimano Di2 3 port junction box ensures smooth and precise shifting performance for a more enjoyable and efficient ride.


Shimano Dura Ace SM-EW90-A Di2 3 Port Junction Box (A)


The Shimano Dura Ace SM-EW90-A Di2 3 Port Junction Box (A) is a high-performance junction box designed for the Dura Ace Di2 groupset. With three ports, it allows for seamless integration of your Di2 components, ensuring smooth and reliable shifting. The compact and lightweight design makes it easy to install and keeps your bike's cockpit clutter-free. Whether you're racing or training, the Dura Ace SM-EW90-A Di2 3 Port Junction Box (A) delivers top-notch performance and precision.

Shimano Di2 Junction-B SM-JC40 for External Wire Routing


The Shimano Di2 Junction-B SM-JC40 is a versatile junction box designed for external wire routing. With its three ports, it provides a clean and organized solution for connecting your Di2 components. The Junction-B SM-JC40 is compatible with a wide range of Shimano Di2 groupsets and can be easily mounted on your bike's frame. Its durable construction ensures long-lasting performance, even in harsh riding conditions. Upgrade your bike with the Shimano Di2 Junction-B SM-JC40 for reliable and efficient electronic shifting.

Shimano EW-RS910 E-Tube Di2 Internal Junction-A


The Shimano EW-RS910 E-Tube Di2 Internal Junction-A is a sleek and compact junction box designed for internal wire routing. With its three ports, it provides a seamless connection between your Di2 components, ensuring precise and reliable shifting. The EW-RS910 is compatible with Shimano's E-Tube Di2 system and can be easily integrated into your bike's frame. Its low-profile design keeps your bike's aesthetics clean and streamlined. Upgrade your bike with the Shimano EW-RS910 E-Tube Di2 Internal Junction-A for a high-performance electronic shifting experience.