External Junction B
SM-JC40
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.
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Specifications
- Model code
- SM-JC40
- Series
- 11-Speed small parts
- SD50 ports
- 4
- Weight
- 8g
