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Shimano SM-JC40 Di2 External Frame Junction Box 4-Port

Shimano SM-JC40 Di2 External Frame Junction Box 4-Port

SKU: CY6760

Shimano
$37.88
$37.88 $48.26
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Shimano SM-JC40 Di2 External Frame Junction Box 4-Port. 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/
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    Welcome to Ride Bicycles! We’re a local, independently owned, full-service bike shop nestled in the heart of the Pacific Northwest. Since 2010, we’ve been dedicated to providing exceptional customer service and helping riders of all levels experience the joy of cycling. As passionate riders, we understand the unique needs of our community and offer personalized attention, mountain bike demos, and a curated selection of high-quality mountain and gravel bikes. Meet our team to discover the people who make Ride Bicycles special and see why we’re the perfect stop for your cycling journey.

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    160 Northwest Gilman Blvd, Suite 102
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