A three-wheeled wheelchair was built in 1655 or 1680 by a disabled German man, Stephan Farffler, who wanted to be able to maintain his mobility. A watch-maker, Farffler created a … See more

Delta
A delta tricycle has one front wheel and two rear wheels.
Tadpole
A tadpole tricycle has two front wheels and one rear wheel. Rear wheel steering is sometimes used, … See more

Tricycle conversion sets or kits convert a bicycle to an upright tricycle. Tricycle kit can remove the front wheel and mounts two wheels under the … See more

On 1 July 2005, Sudhakar Yadav from India rode a tricycle in Hyderabad with a height of 12.67 metres (41.6 ft), a wheel diameter of 5.18 metres (17.0 ft) and length of 11.37 … See more

In the UK, upright tricycles are sometimes referred to as "barrows". Many trike enthusiasts in the UK belong to the Tricycle Association, … See more

Upright
Upright trikes resemble a two-wheeled bicycle, traditionally diamond frame, or open frame, but with either two widely spaced wheels at the back (called delta) or two wheels at the front (called tadpole). The rider straddles … See more

Adults may find upright tricycles difficult to ride because of familiarity with the counter-steering required to balance a bicycle. The variation … See more