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Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port
Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port

Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port

by Shimano
$36.46
SKU 154981
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 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/

Product Specifics



    Today's Stock Status

    10+ Available to ship in 2-4 Business Days




    UPC: 689228827462
    EAN: Not available
    Manufacturer Part Number: ISMJC41
    CY6762
    154981-Q0-L

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