MTB-Amputee
- Pictures and information on amputee mountain biking and cycling. Includes arm amputees, leg amputees, prosthetic limbs and devices, mountain bike modifications, mountain biking skills, and technique.
- http://www.mtb-amputee.com/

International Police Mountain Bike Association (IPMBA)
- The definitive Web resource for police and emergency medical system (EMS) on bikes.
- http://www.ipmba.org/

Union Internationale des Vélodromes (UIV)
- An international federation of velodromes and organisers of track cycling events.
- http://www.uiv.dk/

World Wide Cycling
- Promotes cycling as a sport all over the world, especially in non-traditional countries. Organizer of the Marco Polo Cycling Club. Membership, race, events and travel information provided.
- http://www.worldwidecycling.com/

International Bicycle Fund
- Advocacy organization, promoting sustainable transport and international understanding. Major areas of activity are non-motorized urban planning, economic development, bike safety education, responsible travel and cycle tourism, and cross-cultural, educat
- http://www.ibike.org/

International Mountain Bicycling Association (IMBA)
- A non-profit, public-supported organization. Promotes mountain bicycling opportunities that are environmentally and socially responsible. Events calendar, membership details and form are featured.
- http://www.imba.com/

International Christian Cycling Club
- Seeks to unite Christian cyclists for a worldwide testimony in lifestyle, training, and sportsmanship. Individual and spoke (chapter) membership, newsletters, image galleries, links to chapters and clothing merchandise featured.
- http://www.ironclad.org/