Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port
$33,89
Shimano
Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port 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