Wheelie bike of non-bicycle manufacturers that developed and sold add-on products, such as the Wham-O wheelie bar. Though initially a US fad, wheelie bikes also became popular in the UK, Canada, New Zealand, and South Africa. Australia had its own Malvern Star Dragster, ,Brazil had its own Monark Tigrão., and in Norway, Øglænd made the DBS Tomahawk. The former The Shaggs singer Dot Wiggin recorded the song "Banana Bike" in 2013 as a tribute to her sister Helen, who died in 2006. Helen owned a yellow imported Raleigh Chopper that she used to keep fit with, that Dot found amusing that a
Chopper (motorcycle) racing arena, which placed a premium on pure engine power, rather than handling over curvy courses. Chopper styling continued to be influenced by drag-bike modifications throughout the 1960s and 1970s. While all choppers are highly customized bikes, sometimes even being built from scratch using all custom parts, not all customized bikes are choppers. In Europe at roughly the same era that choppers were invented and popularized in the USA, bikers modified their bikes (primarily English brands like Triumph, BSA, Norton, and Matchless) in a different way, to achieve different looks, performance goals and riding position. The resulting bikes are known