- See the world's largest list of tandem builders on the 'net! (now on its own page)
- Tandem-specific and other components (now on its own page)
- Tandem-related discussion groups on the 'net
- Tandem clubs and organizations
- Large tandem races
- Other tandem resources
- Tech-pages of interest to tandemists and other cyclists
- Bicycle-related link collections
- Tandem@Hobbes, the international e-mail list for tandem enthusiasts
- Tandem-fahren, the German-language tandem e-mail list (now with its own domain!)
- Double_Forte, the Forum for Off-Road Tandem Enthusiasts (a spin-off from [T@H])
- Stéphane Cianas' off-road tandem forum (French)
- ASTRO, the email-list of the Atlanta-Southeastern Tandem Racing Organization
- Discussion board of the UK Tandem Club
- Alex Wetmore's Search Engine
- Tandem Club of America (TCA), founded in 1976.
- The Tandem Club of Australia, founded in 1979.
- Tandemclub CH - Swiss Tandem Club, founded in 1993.
- Tandem Club de France, founded in 1988.
- TANDEMClub.nl
- The Tandem Club (UK), founded in 1971.
- Kent Group
- South East London Group
- South of Scotland Group
- Surrey and Sussex Group
- North Wales Group
- Herts Group
- South East Essex Group
- Tandemclub Vlaanderen (Flandern)
-
DBS
Radsport - national cycling organization for disabled athletes - Tandemclub Weiße Speiche e.V., tandem tours (not only) for visually impaired:
-
Tandemteam
of the Radsport Interessengemeinschaft (RIG) Freiburg, road, off-road
and track racing, several national titles and Paralympic medals
-
Tandemgruppe
Duisburg
- Tandemgroup of the Lutheran Church St. Gertrud and the Christlichen Blindendienst Lübeck e.V.
- Tandemtours in and around München (Munich)
- Tandemgroup of the Blinden- und Sehbehindertenverein Bonn e.V. (visually impaired and others)
- Tandemgroup of the Blinden- und Sehbehindertenvereins Hannover e. V. (visually impaired and others)
- BBC - Bavarian Bicycle Club in 84337 Schönau
-
International
Paralympic Committee - Cycling
- Disabled Cycling World Championships are held every four years:
-
2002
Altenstadt (road) and Augsburg (track) (Bavaria, Germany)
- Paralympic Games are held every four years:
- European Cycling Championships for the Disabled are held every two years:
- Le Roc d'Azur, held annually, is the world's biggest off-road bicycle event (Fréjus, Southern France)
- Burley Cycling Classic, America's premiere tandems-only stage race, is held in odd-numbered years in July. Contact Burley for info.
- Adidas Bikes Transalp Challenge, annual eight-day stage race from Germany to Italy across the Alps (singles and tandems).
- ICG Tandem Sprint Series, U.S. American match sprint series for tandems (track racing)
- The Tandem Link - biggest tandem-related link collection
- Recumbent & Tandem Rider Magazine - finally a new tandem-related magazine
- Double Magazine - a second tandem publication
- Tandem & Family Cycling-Magazine - the magazine is dead, but their website is still a useful resource
- Sheldon Brown's tandem articles (as good as anything else he puts up on his site)
- Vincent Vallet's tandem pages with useful technical articles and a discussion of many available tandems; focus on road tandems (French and English)
- Stéphane Cianas' web pages focus on off-road tandems (French)
- Amélie, Antoine et Laurent Zazas' off-road tandem website (French)
- Alex Wetmore's homepage with lots of cycling and some tandem info
- Dirk Bettge's tandem website (with a page with calculations and graphs showing why tandems are so hard on brakes) (mostly German, some English).
- German MTB-site with some tandem content and a pic of a wild downhill quad
- Sheldon Brown's priceless website
- John Allen explains how to build a single-side tandem crankset
- Tech tips by Hutzler, a bike shop in Nürnberg (Nuremberg) - in German
- Wheel Wizard, an online spoke-length calculator
- manufactureres, private pages, etc.
- bike manufacturers
- Alpha Omega Solutions, well thought out and easy to use