Shimano SM-JC40 Di2 External Frame Junction Box 4-Port
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Shimano SM-JC40 Di2 External Frame Junction Box 4-Port

Shimano SM-JC40 Di2 External Frame Junction Box 4-Port

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ShimanoSKU: CY6760
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$39.88 $50.80
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Shimano SM-JC40 Di2 External Frame Junction Box 4-Port X

    Maple Valley - In Store Pickup

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    Order to store, usually arrives in 2 business days

    • 26921 Maple Valley Black Diamond RD SE
    Maple Valley WA 98038
    425-363-2100

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    In stock, ships Monday

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Description

Shimano SM-JC40 Di2 External 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/
    • Item Specific Details
    UPC: 689228827448
    Manufacturer Part #: ISMJC40
    Model: Di2 Junction Box

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