Covers road racing, MTB racing, training, equipment, and nutrition.
http://www.cyclingforums.com/
Lists over 24000 cyclists from around the world, race tracks, organizations and federations, and related links. In German and English.
http://www.inter-cycle-archives.com/
Learn about how to choose a bike, facts about six different bikes, famous cyclists, nutrition, history, safety, laws, accessories, how bikes work, trails you can find, and stunts and tricks.
http://library.thinkquest.org/J002670/
Information about road bike training, riding technique, nutrition, equipment and strategy. Offers a weekly newsletter, and a selection of books and e-books for sale.
http://www.roadbikerider.com/
Articles and photographs of tours in the United States and Canada.
http://www.rogerkramercycling.org/
Schwin bicycle manufacturers site featuring the latest models for kids and adults. Includes fitness, help and assembly advice.
http://www.schwinn.com/