Shimano Di2 Frame Junction BoxFrame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear deailleur, cockpit junction box and battery mountAll Di2 components on the bicycle require the same firmware version. Using Di2
Shimano Di2 Frame Junction Box
Shimano Di2 Junction Box Junction Box UPC: 689228827462
Reviews
There are no reviews yet.