Chopper is a type of motorcycle that is either modified from an original motorcycle design ("chopped") or built from scratch to have a unique hand-crafted appearance. Some of the characteristic features of choppers are long front ends with extended forks often coupled with an increased rake angle, hardtail frames (frames without rear suspension), very tall "ape hanger" or very short "drag" handlebars,[1] lengthened or stretched frames, and larger than stock front wheels. The "sissy bar", a set of tubes that connect the rear fender with the frame, and which are often extended several feet high, is a signature feature on many choppers.
Choppers typically are stripped down and have had many parts found on stock bikes "chopped" - that is cut down or modified to be smaller, or removed altogether. Parts often removed include the front fender, turn signals, one or more mirrors, speedometers and gauges, electric starters, batteries, chain guards, and various covers. Two anachronistic front suspension systems, the girder fork and the springer fork, are often used on choppers, to further differentiate them from the telescopic forks found on almost all modern production bikes.
Perhaps the best known choppers ever are the two customized Harley-Davidsons, the "Captain America" and "Billy Bike", seen in the 1969 film Easy Rider.[2]
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en.wikipedia.com
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