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Whizzer bicycle engines are a line of bicycle engines that were produced in the United States from 1939 to 1965. They were commonly sold as kits to be assembled and attached to a consumer's bicycle thus creating a motorized bicycle. Whizzer U.S.A. re-appeared in 1997 to sell an improved version, pre-assembled on an old Schwinn -style bicycle frame.
The Consumer Product Safety Act defines the term low speed electric bicycle as a two- or three-wheeled vehicle with fully operable pedals and an electric motor of less than 750 watts (1 horsepower), whose maximum speed on a paved level surface, when powered solely by such a motor while ridden by an operator who weighs 170 pounds, is less than ...
BionX was a Canadian maker of electric motors for bicycles as well as bicycle retrofit kits, operating from 1998 to 2018, originally named EPS (Electric Propulsion Systems) [1]. [2] BionX was headquartered in Aurora, Ontario where motors were produced and assembled [3] before being marketed in over 15 countries.
1897 – Most likely the first electric bicycle was built in 1897 by Hosea W. Libbey. [7] 1897 – The Werner Brothers of France developed a motorized bicycle with a De Dion-Bouton engine mounted above the front wheel. [8] 1898 – Laurin and Klement produce the Slavia model A moto cycle. It is a purpose-built motorcycle.
115 cm (45.3 in) Height. 100 cm (39.4 in) Kerb weight. 11 kg (24 lb) The Zike, or Sinclair Zike, is a lightweight electric bicycle invented by Clive Sinclair and marketed by his company Sinclair Research Ltd in 1992. It was a commercial failure, selling only 2,000 units while originally intended to be produced at the rate of 10,000 a month.
From a mechanical viewpoint, up to 99% of the mechanical energy delivered by the rider into the pedals is transmitted to the wheels (clean, lubricated new chain at 400 W), although the use of gearing mechanisms reduces this by 1–7% (clean, well-lubricated derailleurs and a straight chainline), 4–12% (chain with 3-speed hubs), or 10–20% (shaft drive with 3-speed hubs).
1950s Huffy Radio Bicycle. Schwinn advertisement from 1946. A cruiser bicycle, also known as a beach cruiser or (formerly) motobike, is a bicycle that usually combines balloon tires, an upright seating posture, a single-speed drivetrain, and straightforward steel construction with expressive styling. Cruisers are popular among casual bicyclists ...
An electric bicycle, e-bike, electrically assisted pedal cycles, or electrically power assisted cycles[1] is a motorized bicycle with an integrated electric motor used to assist propulsion. [2][3][4][5][6] Many kinds of e-bikes are available worldwide, but they generally fall into two broad categories: bikes that assist the rider's pedal-power ...
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