This article is about human-powered vehicles with three wheels. For those with an engine, see Motorized tricycle. For other uses, see Tricycle (disambiguation) and Trike (disambiguation). For enclosed human-powered vehicles, see Velomobile.
Upright, Recumbent, Hand-crank, Tandem, Rickshaw, Freight, Children's, Drift, Hand and Foot, Tilting
A tricycle, sometimes abbreviated to trike,[1][2][3][4] is a human-powered (or gasoline or electric motor powered or assisted, or gravity powered) three-wheeled vehicle.
Some tricycles, such as cycle rickshaws (for passenger transport) and freight trikes, are used for commercial purposes, especially in the developing world, particularly Africa and Asia.
In the West, adult-sized tricycles are used primarily for recreation, shopping, and exercise. Tricycles are favoured by children, the disabled, and senior adults for their apparent stability versus a bicycle; however a conventional trike has poor dynamic lateral stability, and the rider must take care when cornering to avoid tipping the trike over. Unconventional designs such as recumbents have a lower centre of gravity so require less care.
^The Little Book of Trikes. Adam Quellin. Veloce Publishing Ltd, 1 Dec 2011
^The Hanukkah Trike. Michelle Edwards, Kathryn Mitter. Albert Whitman and Company, 1 Sep 2010
^Tilting Trike. Popular Science Jul 1980.
^Keeping Balance: A Psychologist's Experience of Chronic Illness and Disability. Katherine Cuthbert. Troubador Publishing Ltd, 3 May 2010
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