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

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

Regular price $ 34.99 USD
Regular price $ 32.99 USD Sale price $ 34.99 USD
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SKU: 210000031625
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/
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