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Shimano SM-JC41 Di2 Internal Junction B Box 4 Port
-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/
$11.40
Original: $38.00
-70%Shimano SM-JC41 Di2 Internal Junction B Box 4 Portβ
$38.00
$11.40
Description
-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/
