Please rise for her majesty the Velorex, the queen of bicycles.
A rather ambitious statement considering, that the aforementioned vehicle is not a bike, and certainly not from royal background.
It hails from the 'discontinued' socialist Czechoslovakia, as a crude mobility device for the disabled. Or so it should have been.
What it is actually is a pipe-frame tricycle, powered by various motorcycle engines.
The only revolutionary design piece on it was the leather exterior.