1938 NSU Chrom bicycle in original state, before restoration.
NSU Chrom model was introduced in 1938, together with NSU Grenzland – Chrom, NSU Wehrsport Chrom, NSU – Chrom Geschäftsrad, NSU Botenrad, NSU Blau-Nickel, NSU-OPEL Blau-Chrom. In 1939 one more model followed, NSU Sportrad. In 1940 NSU replaced them all with a single, universal model (Einheitsrad type). After war Einheitsrad model was sold as ladies bicycle, and gents bicycles returned to their diamond frame shape. Ladies bicycles with swan-neck frame were abandoned.