Ninety-nine per cent of people riding motorcycles and the clubs they belong to are law-abiding, according to an oft-cited quote by the American Motorcyclist Association. It's only one per cent that are hard-partying, non-mainstream people, the organization said in the 1960s.
http://www.cbc.ca/canada/story/2009/04/01/f-biker-gangs.html

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