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SKU: CY6762 Product qualifies for Free Shipping 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 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/
Manufacturer  Shimano
Manufacturer Part Number  ISMJC41
UPC  689228827462
Model  Shimano Di2 Junction Box
Currently Out of Stock
Sorry, 'Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port' is currently out of stock. Please check back later or contact Bikeman for an expected availability date. Refer to our Shipping Terms for more information.