A two-wheeler is a vehicle that runs on two wheels. The two wheels may be arranged in tandem, one behind the other, as with

single-track vehicles A single-track vehicle is a vehicle that leaves a single ground track as it moves forward. Single-track vehicles usually have little or no lateral stability when stationary but develop it when moving forward or controlled. In the case of wheeled v ...

, or arranged and also side by side, on the same axle. If on the same axle, the vehicle may be 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 horse The dandy horse, a derogatory term for what was first called a Laufmaschine (in German), then a vélocipède or draisienne (in French and then English), and then a pedestrian curricle or hobby-horse, or swiftwalker, is a human-powered vehicle th ...

s, velocipedes, or draisines, forerunners of bicycles *

Bicycle A bicycle, also called a pedal cycle, bike or cycle, is a human-powered or motor-powered assisted, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. A is called a cyclist, or bicyclist. Bic ...

s, a pedal-powered two-wheeler *

Motorcycle A motorcycle (motorbike, bike, or trike (if three-wheeled)) is a two or three-wheeled motor vehicle steered by a handlebar. Motorcycle design varies greatly to suit a range of different purposes: long-distance travel, commuting, cruising ...

s, a motor-powered two-wheeler, similar in construction with bicycles *

Gyrocar A gyrocar is a two-wheeled automobile. The difference between a bicycle or motorcycle and a gyrocar is that in a bike, dynamic balance is provided by the rider, and in some cases by the geometry and mass distribution of the bike itself, and the g ...

s, a self-balancing car on two wheels Dicycles include: *

Self-balancing scooter A self-balancing scooter (also hoverboard, self-balancing board, segway or electric scooter board) is a self-balancing personal transporter consisting of two motorized wheels connected to a pair of articulated pads on which the rider places their ...

s, also known as hoverboards *

Segway PT The Segway is a two-wheeled, self-balancing personal transporter invented by Dean Kamen and brought to market in 2001 as the Segway HT, subsequently as the Segway PT, and manufactured by Segway Inc. ''HT'' is an initialism for "human transpo ...

s, a brand of self-balancing personal transporters Two-wheelers intended to be used with additional support, which is also the source of motive power, include: * Cabriolets ("cabs") or

hansom cab The hansom cab is a kind of horse-drawn carriage designed and patented in 1834 by Joseph Hansom, an architect from York York is a cathedral city with Roman origins, sited at the confluence of the rivers Ouse and Foss in North Yorkshire, ...

s on two wheels **

Curricle A curricle was a smart, light, two-wheeled chaise or "chariot", large enough for the driver and a passenger and—most unusually for a vehicle with a single axle—usually drawn by a carefully matched pair of horses. It was popular in t ...

Gig (carriage) A gig, also called chair or chaise, is a light, two-wheeled sprung cart pulled by one horse. Description Gig carts are constructed with the driver's seat sitting higher than the level of the shafts. Traditionally, a gig is more formal than a vil ...

Tilbury (carriage) A tilbury is a light, open, two-wheeled carriage, with or without a top, developed in the early 19th century by the London firm of Tilbury, coachbuilders in Mount StreetAt South Street, London in about 1820 according to Walrond, Sally: Looking at ...

Trap (carriage) A trap, pony trap (sometimes pony and trap) or horse trap is a light, often sporty, two-wheeled or sometimes four-wheeled horse- or pony-drawn carriage, usually accommodating two to four persons in various seating arrangements, such as face-to-fa ...

Hand truck :''"Hand truck" may also refer to Pallet jack.'' A hand truck, also known as a hand trolley, dolly, stack truck, trundler, box cart, sack barrow, cart, sack truck, two wheeler, or bag barrow, is an L-shaped box-moving handcart with handles at one ...

s, two-wheeled devices used for transporting bulky or heavy items such as furniture or golf clubs (

golf trolley A golf trolley or golf push cart is a cart designed for transporting a golf bag, complete with clubs and other golf equipment around the golf course. The manual push cart (or less commonly a pull cart) can reduce strain on the operator compared ...

) *

Shopping trolley (caddy) A shopping caddy or shopping trolley is a large bag on wheels, used for carrying a large amount of shopping home on foot. The bag is typically made from a waterproof fabric, and wicker basket designs are also sold. The trolleys commonly have two ...

* Many

trailers Trailer may refer to: a Transportation * Trailer (vehicle), an unpowered vehicle pulled by a powered vehicle ** Bicycle trailer, a wheeled frame for hitching to a bicycle to tow cargo or passengers ** Full-trailer ** Semi-trailer **Horse trailer ...

, especially

semi-trailer A semi-trailer is a trailer without a front axle. In the United States, the term is also used to refer to the combination of a truck and a semi-trailer; a tractor-trailer. A large proportion of a semi-trailer's weight is supported by a tracto ...

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

Two-wheel tractor Two-wheel tractor or walking tractor (french: motoculteur, russian: мотоблок (motoblok), german: Einachsschlepper) are generic terms understood in the US and in parts of Europe to represent a single-axle tractor, which is a tractor with ...

References

{{Reflist Broad-concept articles Wheeled vehicles Vehicles by type