The 1950s motorcycle motorcycle industry saw a surge in popularity after the Second World War, with many of these bikes released during the early postwar period in the middle of the 20th century. These bikes, released during this period, are considered the start of a movement that made them more accessible to non-discriminally mainstream. Many examples sell for five-figure sums, while others are auctioned at auctions. Factors such as scarcity, racing pedigree, and performance are also contributing to their value. The BMR R69S and the R50 are considered among the coolest BMW motorcycles ever built due to their origins in the German military complex. The Italian heritage brand, Moto Guzzi, also features a dual dual-engine, which was not typical for this era and was developed in part of the racing division at the time. The 500 cc bike from the UK is auctioned in high-five figures and sells for between $20,000 and $35,000.