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Shimano Di2 External Junction Box SM-JC40

$34.99

Return/Exchange: 60 Days




SKU: DI1215
Category:

Product Description

Shimano Di2 Frame Junction Box Mounts underneath the bottom bracket shell Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear deailleur, 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/

 

Specs

Weight 0.6 lbs
Feature

DI1215

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