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Brazilian princes (from left) Antônio, Luís, and Pedro on a triple tandem bike during their exile, 1891 Patents related to tandem bicycles date from the mid-1880s. [1] In approximately 1898, Mikael Pedersen developed a two-rider tandem version of his Pedersen bicycle that weighed 24 pounds, and a four-rider, or "quad", that weighed 64 pounds. [2]
A bicycle, also called a pedal cycle, bike, push-bike or cycle, is a human-powered or motor-assisted, pedal-driven, single-track vehicle, with two wheels attached to a frame, one behind the other. A bicycle rider is called a cyclist, or bicyclist. Bicycles were introduced in the 19th century in Europe. By the early 21st century there were more ...
Macau still uses tri-wheeled bicycle rickshaw, or riquexó in Portuguese, as Macau was a Portuguese colony in the past. This kind of transportation was very famous until the late 20th century, due to the fact of being a small city and few cars, not so many motorcycles, very bad public transport and no other transport such as train or subway.
It is also known by a variety of other names such as bike taxi, velotaxi, pedicab, bikecab, cyclo, beca, becak, trisikad, sikad, tricycle taxi, trishaw, or hatchback bike. While the rickshaw is pulled by a person on foot, the cycle rickshaw is human-powered by pedaling.
Recumbent tandem trikes allow two people to ride in a recumbent position with an extra-strong backbone frame to hold the extra weight. Some allow the "captain" (the rider who steers) and "stoker" (the rider who only pedals) to pedal at different speeds.
Tandem A bicycle built for two. Strictly only a bike where the riders are positioned in-line, otherwise it is a sociable. Team A group of cyclists working together as part of a competition. Team time trial Riders start in groups or teams, usually of a fixed size. The time of the nth rider of a team counts for the classification for each team ...
TandEM, a space project to explore Saturn's moons Titan and Enceladus; Tandem accelerator, see Particle accelerator; Tandem bicycle; Tandem carriage; Tandem-charge, an explosive device or projectile that has two or more stages of detonation; Tandem cell, a type of solar cell; Tandem language learning, a method of language learning
Tandem can also be used more generally to refer to any group of persons or objects working together, not necessarily in line. [1] The English word tandem derives from the Latin adverb tandem, meaning at length or finally. [2] It is a word play, using the Latin phrase (referring to time, not position) for English "at length, lengthwise". [3]