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CAUTION - not for the faint of heart. This site has pictures of dirt bike riders on trails in Colorado. All activities shown are on legally registered motorcycles with USFS-approved exhaust systems on trails open to motorized use. Riders shown are not professionals. Do not try this at home.

A smattering of technical information also included. Can't find what you're lookin' for? Try the Site Map.
Opinions expressed and any errors are mine and mine alone, however I assume no responsibility. I never have ;-)
Any small picture shown on this web site can be clicked on to show a larger picture.  A note about pictures.