Shimano Ew-Jc304 Di2 4-Port Junction Black, One Size
Product Description
Shimano Ew-Jc304 Di2 4-Port Junction Black, One Size
- Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount
- Engineered with advanced E-tube wiring technology, this junction box seamlessly connects up to four key electronic components-including front and rear derailleurs, cockpit controls, and battery mount-for streamlined and efficient shifting performance.
- Designed for use with EW-SD300 cables, the EW-JC304 offers versatile compatibility with Di2 electronic shifting systems, supporting precise, responsive gear changes and synchronized electronic operation.
- Its sleek, low-profile style integrates seamlessly into modern bicycle frames, making it ideal for road, mountain, or gravel bikes seeking a clean aesthetic and optimal cable management.
- The innovative firmware management features ensure all connected Di2 components operate with the latest software, reducing malfunctions and maximizing system stability through easy firmware updates via the e-tube system checker.
Technical Specifications
You might also like
DEMMEX – 7" Large Globe Turkish Moroccan Mosaic Table Lamp, Handcrafted Tiffany-Style Colorful Glass Bedside, Desk & Table Light, Artisan Decor for Living Room or Bedroom, 14" H (Multicolor)
Kong Company 38749828: Sherps Floofs Big Horn Ram Dot Toy, Md
Boombah Rolling Superpack Baseball/Softball Gear Bag - 23-1/2" x 13-1/2" x 9-1/2" - Gray/Dark Green - Telescopic Handle - Holds 4 Bats - Wheeled Version
Umpire Bonded Leather Belt, X-Large, Black
Polder Spring Dish Rack Holds Up to 9 Plates and Includes Removable, Stand-Alone Utensil Bin (Gray)
Hallmark Ornaments POP! Buddy The Elf Christmas Tree Ornament
Devir - Bitoku Board Game, Advanced Strategic Eurogame with Dice Placement, Engine Building & Hand Management, for Teens & Adults, Ages 14+, 1–4 Players, 120 Playtime (English & Spanish Version)
PMLAND 290+ Pcs Clear Acrylic Snowflakes, Christmas Table Scatter Decor