 The Olivier brothers recognized the commercial potential of this invention, and set up a partnership with blacksmith and bicycle maker Pierre Michaux, using Michaux's name, already famous among enthusiasts of the new sport, for the company.They began the first mass-production of bicycles (still called "velocipedes") in 1868, as the first real bicycle craze had begun the year before, reaching full force all over Europe and America in 1868 and 1869.But exactly as with the dandy-horse, pedestrians complained about them, and the craze again faded quickly.