Home page Shimano Junction-B (Di2 spec.) EW-JC304 4 Ports Junction

Shimano Junction-B (Di2 spec.) EW-JC304 4 Ports Junction


The Shimano E-TUBE 4-Port Junction, an essential part of the EW-SD300 system, now features the new electric wire SD300 for enhanced functionality and smooth operation.

Out of stock

EAN: 4550170597191 SKU: WESEWJC304 Categories: ,
Add to Wishlist
Add to Wishlist

Join the waitlist to be emailed when this product becomes available

Product Description

The Shimano E-TUBE 4-Port Junction is an essential component for the internal system of the EW-SD300. It’s been updated to include the new electric wire SD300, improving its functionality and efficiency. This simple but significant upgrade ensures a more streamlined operation of the EW-SD300 system.



Shimano, founded in Japan in 1921, is a globally recognized brand in cycling and fishing equipment. They are renowned for their precision-engineered components for bicycles, including gears, brakes, and drivetrains, with groupsets like Dura-Ace and Ultegra leading the industry. Shimano’s fishing division offers high-quality reels, rods, lines, and accessories. The brand is known for its commitment to innovation, with a focus on enhancing outdoor experiences for enthusiasts and professionals alike.