In the UCI site, you could find the latest mountain bike racing ranking. Offroad Mountain Bike Guidebooks - Online bookstore specializing in mountain biking guidebooks and maps for Utah and Colorado. The Outdoor Extreme - Source for mtb in Canada. Pink Bike, share the ride - news, reviews, pictures and videos from around western Canada. The Worldwide Singlespeeder Network - Specializing in singlespeed biking, emphasizes uniting riders from all over the world.
Site features a chat, message forum, and events calendar.
Treelined Mountain Bike Resource - Information on trails, mechanics, fitness, books, travel, a bikers forum, and a marketplace. Bulletin board, local events, articles, reviews, trails and pictures. Web Mountain Bikes - Recreational site with biking information, maintenance, repairs, trails, and store.