International Cycling Union (UCI)
Provides news, articles, health regulations, advocacy for road, track, mountain bike, cyclo-cross, bmx, indoor, trials, and olympics.

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, educational programs.

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.

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.

International Police Mountain Bike Association (IPMBA)
The definitive Web resource for police and emergency medical system (EMS) on bikes.

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.

Union Internationale des Vélodromes (UIV)
An international federation of velodromes and organisers of track cycling events.

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.