External Junction B
The junction box SM-JC40 is used externally, when internal cable routing or an internal junction box (SM-JC41) is not possible. It is usually placed underneath the bottom bracket, fixed to the frame using a screw.
Details & Specifications
Model number:
SM-JC40
Weight:
8 g
E-Tube ports:
4
E-Tube Port type:
SD50
Type:
Junction B
Series:
Non-series components NON (All)
Shopping links
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