- Articles about Tandems by Sheldon "Twicer" Brown -- Harris Cyclery
- A very comprehensive listing of technical information regarding tandem bicycles maintained by the late Sheldon Brown of Harris Cyclery. (1944-2008)
- Moriartys' Tandem America Tour
- Dispatches from a tandem bike ride from Prudhoe Bay, Alaska, to Tierra del Fuego (the southern tip of South America).
- SuDiBe Tandem Site
- Image gallery and information on riding, touring, and techniques. In German and English.
- 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.