A chopper is a radically customized motorcycle, archetypal examples of which are the customized Harley-Davidsons seen in the 1969 film Easy Rider.
Before there were choppers, there was the bobber, meaning a motorcycle that had been “bobbed,” or relieved of excess weight by removing parts, particularly the fenders, with the intent of making it lighter and thus faster, or at least making it look better in the eyes of a rider seeking a more minimalist ride. An early example of a bobber is the 1940 Indian Sport Scout “Bob-Job” which toured in the 1998 The Art of the Motorcycle exhibition. Indian Scouts and Chiefs of the time came with extravagantly large, heavily valenced fenders, nearly reaching the center of the wheel on the luxurious 1941 Indian Series 441 while racing bikes had tiny fenders or none at all. The large and well-appointed bikes exemplified the “dresser” motorcycle aesthetic and providing a counterpoint to the minimalist bobber, and cafe racers. Choppers would grow into and explore the dimensions of the space between the stripped-down bobbers and weighed-down dressers.
In the United States servicemen returning from World War II were looking for a thrill. Many veterans had been trained to work on automobiles and motorcycles and were looking to add a little excitement to their post-war lives with their newly acquired mechanical skills. Motorcycles and Hot Rods were the perfect hobby for them. Motorcyclists bought up surplus military bikes and removed all the unnecessary parts like windshields and saddlebags to minimise weight. Rear fenders were “bobbed” or shortened just enough to handle a passenger and keep the rain and mud coming off the rear, and sometimes removed the mirrors, or replaced them with tiny ones, such as the type used by dentists in their work.
A distinction should be noted between true chopper (or chopper-style) motorcycles, and custom motorcycles, or ‘custom cruisers’. Despite the name, a large percentage of the motorcycles produced by popular companies such as Orange County Choppers, Indian Larry, Falcon Motorcycles, Warlock Motorcycles, and Von Dutch Kustom Cycles are better described as ‘custom’ bikes rather than choppers.
While people assume that the chopper style motorcycles were built purely for aesthetics, there is a real performance advantage to the raked front end on these choppers. These motorcycles have a much more stable feel at high speeds and in a straight line than motorcycles with original factory front suspensions. However, like any other modification, there is a downside: the raked front end feels heavier and less responsive at slow speeds or in curves and turns. This is due to the longer trail measurement associated with increased rake.
The United States of America, where most custom choppers reside, is one of the few countries in the world that allow custom-built choppers to be licensed for highway use. Many of these types of choppers are regarded as dangerous to operate and don’t follow basic design geometry and lack many safety features in their construction. Finally, an often overlooked style of chopper is the chopper bicycle. Inspired by the smooth, low lines of chopper motorcycles, today’s custom chopper bicycle designer builds bicycles that pay tribute to the motorcycles they resemble.
Whereas the original bobbers and choppers were mostly home built on a budget, the modern development of the chopper tends to be shop built and very expensive. It differs from what has gone before in the technology employed in frame construction and the use of billet aluminium parts including headlights, foot and hand controls. Almost all ‘Longbikes’ have ‘Big Inch’ aftermarket or current Harley Davidson motors. Paint work styles tend to favour ghostly air brushing techniques and the Longbikes are almost exclusively solo.
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