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

Product Description

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 SM-JC41 Di2 Internal Frame Junction Box 4-Port

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Product Details

Brand Shimano
MPN ISMJC41
Shimano

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