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View larger Shimano DI2 Internal Junction Box (4 Ports)
Brand: Shimano
Shimano DI2 Internal Junction Box (4 Ports)
An essential element for connecting all Di2 Shimano cables in the frame.
0689228827462
0689228827462 View larger 
Brand: Shimano
An essential element for connecting all Di2 Shimano cables in the frame.
0689228827462
0689228827462
More info
The Shimano Di2 ISMJC41 junction box allows you to connect up to 4 wires inside the frame, usually placed on the bottom bracket.
