🚚 Free Worldwide Shipping on All Orders!Shop Now
1 / 2
Shimano Di2 Junction-B SM-JC40 for External Wire Routing
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 http://e-tubeproject.shimano.com/
-Mounts underneath the bottom bracket shell
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 http://e-tubeproject.shimano.com/
-Mounts underneath the bottom bracket shell
$11.10
Original: $37.00
-70%Shimano Di2 Junction-B SM-JC40 for External Wire Routing—
$37.00
$11.10Description
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 http://e-tubeproject.shimano.com/
-Mounts underneath the bottom bracket shell
