Shimano JC41 Di2 Internal Frame Junction Box 4-Port
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
Category: Cycling Supplies
Shimano Di2 Frame Junction Box
- Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear deailleur, 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/
Shimano Di2 Junction Box Junction Box UPC: 689228827462
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