Brief History of the Marque: Allegro
Built by Arnold Grandjean using Villiers,
MAG and Sturmey-Archer engines. The racing 175cc
machines did quite well in competition with riders Marcel Bourquin and
Granjean himself. In the 50s and 60s they built mopeds.
If you have a query about Allegro Motorcycles, or wish to share your
knowledge of these classic Swiss machines, please contact
us!