Shimano SM-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 derailleur cockpit junction box and battery mountAll Di2 components on t
Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port. Shimano Di2 Frame Junction Box
Reviews
There are no reviews yet.