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For example, if a fat-bike tire is inflated to 0.5 bar (50 kPa; 7.3 psi) gauge pressure at room temperature 20 °C (68 °F) and then the temperature is decreased to −10 °C (14 °F) (a 9% decrease in absolute temperature), the absolute pressure of 1.5 bar (150 kPa; 22 psi) will be decreased by 9% to 1.35 bar (135 kPa; 19.6 psi), which ...
ISO 5775 is an international standard for labeling the size of bicycle tires and rims. The system used was originally developed by the European Tyre and Rim Technical Organisation (ETRTO). It is designed to make tire sizing consistent and clear.
[citation needed] In terms of gearing, bikes can feature derailleurs or hub gears, or both or none. For 2013 Dahon offers 30 models of folding or portable bicycles in wheel sizes ranging from 16-26” with aluminum alloy or steel frames. [20] One of the company's best selling bikes is the Boardwalk, an entry-level, steel-frame commuter bike. [21]
A 2001 NHTSA study found that 40% of passenger cars have at least one tire under-inflated by 0.4 bars (6 psi) or more. [1] The number one cause of tire failure was determined to be under-inflation. Drivers are encouraged to make sure their tires are adequately inflated at all times.
Prior to 1964, tires were all made to a 90% aspect ratio. Tire size was specified as the tire width in inches and the diameter in inches – for example, 6.50-15. [24] From 1965 to the early 1970s, tires were made to an 80% aspect ratio. Tire size was again specified by width in inches and diameter in inches.
10 kPa 1.5 psi Pressure increase per meter of a water column [26] 10 kPa 1.5 psi Decrease in air pressure when going from Earth sea level to 1000 m elevation [citation needed] +13 kPa +1.9 psi High air pressure for human lung, measured for trumpet player making staccato high notes [48] < +16 kPa +2.3 psi
Initially the company was the subject of litigation between Dahon and the founders, but a settlement was reached in 2013. The Arctic tern was the inspiration for the company name, due to the fact that it travels the longest distance of all migratory animals and is light and small, qualities the company attributes to its bicycles.
David T. Hon (born 1941) is a Guangdong-born [1] Taiwanese physicist, inventor and entrepreneur. He is best known as the inventor and founder of Dahon folding bicycles.Dahon has since grown to become the world's largest manufacturer and marketer of folding bikes [2] [3] with Hon still CEO to this day.