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The longest bicycle wheelie in one hour is 30.95 km (19.23 mi), and was achieved by Manuel Scheidegger (Switzerland) in Bern, Switzerland on 12 September 2020. [131] Kurt Osburn (nicknamed Wheelie King) from California, United States is the Guinness World Record holder for Longest Bicycle Wheelie, riding on the back wheel of a bicycle. [132]
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).
The legal definition of "bicycle" often includes velomobiles, but laws covering cycles with electric assist vary widely across countries and often within a country and even between cities in a region. For example, a specific vehicle may be a "bicycle" in one area, a "low-speed pedal-assisted cycle" in another area, and a "moped" in yet a third ...
A motorized bicycle is a bicycle with an attached 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.
2008 – The first "National" rally in the US, specifically for Motor-Assisted-Bicycles, took place in Ocean Park WA. 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."
The following is a list of speed records for various types of vehicles.This list only presents the single greatest speed achieved in each broad record category; for more information on records under variations of test conditions, see the specific article for each record category.
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