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Shimano EW90-B Di2 Cockpit Junction Box 5-Port/ not for Flight Deck

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Shimano EW90-B Di2 Cockpit Junction Box 5-Port/ not for Flight Deck

Shimano Di2 Junction Box
  • 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/
    • $155.00
    Shimano EW90-B Di2 Cockpit Junction Box 5-Port/ not for Flight Deck—
    $155.00

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    Shimano Di2 Junction Box
  • 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/