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Shimano EW-JC302 Di2 Junction Box - 2 Ports, Use With EW-SD300

Shimano EW-JC302 Di2 Junction Box - 2 Ports, Use With EW-SD300

IEWJC302

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/
$24.00 USD
$24.00 USD
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