A two-wheeler is a vehicle that runs on two wheels.

Penny-farthing bicycle

The two wheels may be arranged in tandem, one behind the other, as with single-track vehicles, or arranged and also side by side, on the same axle. If on the same axle, the vehicle may have no other support, as with dicycles, or have additional support, which is often also the source of motive power.

Wheeled single-track vehicles include:

  • Dandy horses, velocipedes, or draisines, forerunners of bicycles
  • Bicycles, a pedal-powered two-wheeler[1]
  • Motorcycles, a motor-powered two-wheeler, similar in construction with bicycles
  • Gyrocars, a self-balancing car on two wheels

Dicycles include:

Horse-drawn cart

Two-wheelers intended to be used with additional support, which is also the source of motive power, include:

Two-wheelers intended to be used with additional support, which is not the source of motive power, include:

References

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  1. ^ Welle (www.dw.com), Deutsche. "Mobility for billions: The bicycle is 200! | DW | 12.06.2017". DW.COM. Retrieved 2022-05-18.
  2. ^ Smith, D.J.M. (1988). A Dictionary of Horse Drawn Vehicles. J. A. Allen & Co. Ltd. p. 40. ISBN 0851314686. OL 11597864M.