BikeForums.net: Tandem cycling - A tandem bicycle discussion forum. Topics include tips on buying a tandem, and introducing tandem bicycles to others.
Cycling Trip Shikoku and Kii - Description of a cycling trip by tandem on Shikoku and Kii Peninsula, Japan (May 1999) with maps and pictures.
Gold Country Cyclery - Northern California tandem dealer, sales and service, parts and accessories. Has a good section on tandems and trikes in their blog.
Moriartys' Tandem America Tour - Dispatches from a tandem bike ride from Prudhoe Bay, Alaska, to Tierra del Fuego (the southern tip of South America).
Pedal Sport: Tandems - Events listing and tandem-buying advice from a Canadian bike shop which specializes in tandems.
Precision Tandems - On line catalog, hard to find tandem parts and accessories, tandem dealer.
Santana Europe - Selling Santana tandems and tandem parts in Europe.
S2Cycling Team - Features Spencer Beard, Sheila Hoffman and the S2Cycling team. Includes their tandem bicycling adventures as well as personal life stories. The Stuff section covers anything that isn't specifically S2Cycling, Spencer or Sheila.
SuDiBe Tandem Site - Image gallery and information on riding, touring, and techniques. In German and English.
TailWind Tandem Club - Charlotte, North Carolina-based recreational road tandem club, enjoy weekly rides, monthly featured rides and a newsletter, social events, weekend get-a-ways, 1-time rides, photos, articles, nutrition, tandem rally events.
Tandem Bicycle Central - The online resource. - Tandem riders as well as other multi rider bikes, quads and trikes will find this a nice resource to expand their knowledge of what is available to them in this specialized subset of cycling.
Tandem Club of America - Features news, information and resources of interest to tandem enthusiasts. Offers Doubletalk newsletter, regional rallies, classifieds, along with state and local events.
The Tandem Cycling Club of the United Kingdom - Promotes tandem cycling. Includes guidance on buying, hiring, and riding, a discussion board, events listings, classified advertisements, and membership details.
The Tandem Experience - Specialist in tandem-based tourism, operating led and self-led trips, short breaks and holidays from a number of UK centres. Information about activities, holidays, workshops, bookings, and locations.
The Tandem Link - Personal Web site that provides tandem enthusiasts with a consolidated collection of links to tandem related information online.
Tandem Magazine Online - Tech tips, classifieds, links, tips on buying a tandem, and schedules.
Tandem to Turkestan - A journey by tandem bicycle across Central Asia, through Turkey, Iran, Turkmenistan, Uzbekistan and Kyrgyzstan. Diaries, photographs, cultural hints, links and background information.
Tandem tour of northern California - From Grass Valley north through the eastern part of California (think Lava Beds National Monument), then back through Mt Shasta.
Tandems East - Retailer in New Jersey, USA. Bike and accessories catalog, and ordering information.
Tibet by Tandem - Travelogue of the first Himalaya crossing by tandem bike in the summer of 1997.