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International Mountain Biking Association
https://sites.google.com/site/njbbicycling/riding/georgia/mountain-biking-georgia
http://www.adventurecycling.org/routes/greatdivide.cfm
Mountain Bike Touring is long distance touring on dirt roads and single track with a mountain bike. With the popularity of the Great Divide Trail, the Colorado Trail and other long distance off road biking trails specially fitted mountain bikes are increasingly being used for touring. Bike manufacturers like Salsa have even developed MTB touring bikes like the Fargo model. Mixed Terrain Cycle-Touring or rough riding is a form of mountain bike touring but involves cycling over a variety of surfaces and topography on a single route, with a single bicycle. The recent popularity of mixed terrain touring is in part a reaction against the increasing specialization of the bike industry. Focusing on freedom of travel and efficiency over varied surfaces, mixed terrain bicycle travel has a storied past.