A year after his Spanish patent # 153,083, featuring a copy of a Simplex Champion du Monde, Nicholás Arregui Gallastegui, of Zeus/Alfa, returned to the patent office to file this homage to Super Champion’s 1939 Champion du Monde 39 model.

So many Champions du Monde and copies of Champions du Monde - if they weren’t copying each other’s designs they were copying each others model names.

• Publisher: Oficina Española de Patentes y Marcas
• Inventor: Nicholás Arregui Gallastegui
• Country: Spain
• Date: Spanish application filed June 1942
• Derailleur brands: Alfa possibly intended to be marketed as Simplex
• Derailleurs: Alfa similar to Le Simplex (N. Arregui Spain)