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Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port

Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port
$38.00
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If choosing Curbside Pickup, please call the shop when about 10 mins out: 208-232-8996. This item is not permitted to be shipped, however it can be purchased online and picked up at your convenience.

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/

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