Free Shipping on Orders Over $49*

Shimano EW-JC200 Junction (2 port) E-Tube Wire Connector

Find it for less? Click here for our Lowest Price Guarantee!

Shimano Di2 Frame Junction Box

  • Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount
  • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
  • Use Di2 system checker to update component firmware from