Įdomiai čia viską surašėt. Kuo rėmėtės? Šiaip šis Neander`is 1927m. Beje Ernestas Neanderis ir sukūrė šį rėmą, tai kur čia Opel bazė?
...Ernst Neumann-Neander founded the Neander Motorfahrzeug GmbH Düren-Rölsdorf in Düren in 1926. He designed the futuristic Neander-Rahmen (Neander frame), which was made from box-section Duralumin and had a unique design of pivoted front fork. From 1928 Opel also manufactured the same frame under licence, and it was very successful in motorcycle racing. Neander's own factory produced about 2,000 motorcycles before production ceased some time in the 1930s. ...