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Wheels with Asanti 28 in (710 mm) rims on a police Hummer H2 car. The wheel size is the size designation of a wheel given by its diameter, width, and offset. The diameter of the wheel is the diameter of the cylindrical surface on which the tire bead rides. The width is the inside distance between the bead seat faces.
Other names are J-board and RipStik (sometimes written ripstick or rip stick), both of which are derived from commercial brands. A caster board has two narrow platforms known as "decks" that are joined by a torsion bar, which consists of a metal beam, usually coated by rubber, that houses a strong spring.
For example, at least 6 different "26 inch" sizes exist (just by American notation), and "27 inch" wheels have a larger diameter than American "28 inch" (French "700C") wheels. The Japanese Industrial Standards Committee also cooperates with ISO 5775.
[3] In many other European languages, the word for "inch" is the same as or derived from the word for "thumb", as a man's thumb is about an inch wide (and this was even sometimes used to define the inch [4]). In the Dutch language a term for inch is engelse duim (english thumb).
Track (measured between center line of wheels) In automobiles (and other wheeled vehicles which have two wheels on an axle), the axle track is the distance between the hub flanges on an axle. [1] Wheel track, track width or simply track refers to the distance between the centerline of two wheels on the same axle. In the case of an axle with ...
The term "mag wheels" became synonymous with die-cast wheels made from any material, from modern aluminium alloy wheels to plastic and composite wheels used on items like bicycles, wheelchairs, and skateboards. [4] [5] However, pure magnesium wheels are no longer produced, being found only on classic cars. Pure magnesium suffers from many problems.
The wheel was first patented in 1919 by J. Grabowiecki. US patent 1305535, J. Grabowiecki, "Vehicle wheel", issued 1919-06-03 A variant of the wheel was patented by Josef F. Blumrich in 1972. US patent 3789947, Josef F. Blumrich, "Omnidirectional wheel", issued 1974-02-05 .
BBS continues to produce one-, two-, and three-piece forged wheels out of aluminum and magnesium alloys, as well as high performance flow-formed wheels and low-pressure cast wheels. [20] BBS also actively uses specialized quality and weight optimization methods, such as CNC back-milled spokes , x-ray inspection , FEM analysis, flow-forming ...