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SKU: CY8903 Product qualifies for Free Shipping Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300


Purchase Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300
  • SKU: CY8903 Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300

    Product qualifies for Free Shipping


  • $37.99

    Usually Ships in 5-7 Days
    Contact for store availability
    Details in Stock Status below

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/
Manufacturer  Shimano
Manufacturer Part Number  IEWJC304
UPC  192790597195
Model  Shimano Di2 Junction Box
Usually Ships in 5-7 Days
Please Note: This product is usually available for shipment within 5-7 business days. Contact for in-store availability, not all items are available for immediate pickup. If we are unable to meet these time frames due the rapid changes in revolving inventory you will be contacted via email. We do not partial ship orders, the delivery time of your order is determined by the item on your order with the longest lead time. If your order is time sensitive we encourage you to contact us for up to the minute product availability and ship times to verify that we can accommodate your needs. Refer to our Shipping Terms for more information.