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NEW Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300

NEW Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300

$ 34.00 USD
$ 34.00 USD $ 34.00 USD
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SKU: 210000045583
UPC: 192790597195
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PRODUCT DETAILS

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/
California Prop 65 Warning:
This product may contain chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. (California law requires this warning be given to customers in the state of California.)
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