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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 ...
An exercise bicycle remains stationary; it is used for exercise rather than propulsion. A Step-through frame is a type of bicycle frame, often used for utility bicycles, with a low or absent top tube or cross-bar; A push bike is a form of bicycle without pedals such as the drais 1820 which is one of the first verifiable push bikes.
Also sometimes used to describe suspension components, for example a swing arm pivot axle; Bar ends: extensions at the end of straight handlebars to allow for multiple hand positions; Bar plugs or end caps: plugs for the ends of handlebars; Basket: it is an optional attachment on a bike and is used for carrying things
1886 Swift Safety Bicycle. Vehicles that have two wheels and require balancing by the rider date back to the early 19th century. The first means of transport making use of two wheels arranged consecutively, and thus the archetype of the bicycle, was the German draisine dating back to 1817.
A motorized bicycle is a bicycle with an motor or engine and transmission used either to power the vehicle unassisted, or to assist with pedalling. Since it sometimes retains both pedals and a discrete connected drive for rider-powered propulsion, the motorized bicycle is in technical terms a true bicycle, albeit a power-assisted one.
There were 29 bikes, of various styles, representing 4 states. 2008 – A motorized bicycle ridden by Augie Deabler is accepted as an official entrant at the Bonneville Salt Flats "World of Speed '08." He used a Golden Eagle/Tanaka 32cc, and recorded a top speed in the standing mile of 32.4MPH.