This is up to now my smallest/simplest 5 speed gearbox.
It's not the strongest but very compact and fits in every moc.
If you have any questions write them in the comments...

I also built:
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Music:

Song: Disfigure - Blank [NCS Release]
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Free Download/Stream: http://ncs.io/blank
Watch:    • Disfigure - Blank | Melodic Dubstep |...