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

★★★★★ 4.2 110 reviews
US$9.60
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US$9.60
Price when purchased online
Free shipping Free 30-day returns
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Product details

Management number 236289383 Release Date 2026/07/09 List Price US$9.60 Model Number 236289383
Category
  1. Outdoor & Sports
  2. Bike Components & Accessories
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/

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

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    Customer ratings & reviews

    4.2 out of 5
    ★★★★★
    110 ratings | 45 reviews
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