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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.
A tubeless tire (also spelled as tubeless tyre in Commonwealth English) is a pneumatic tire that does not require a separate inner tube.. Unlike pneumatic tires which use a separate inner tube, tubeless tires have continuous ribs molded integrally into the bead of the tire that are forced by air pressure into a flange on the metal rim of the wheel, sealing the tire to the rim.
Honda claimed the Comstar design combined the strength of a cast wheel but allowed a predetermined level of radial flex like spoked wheels. [7]: 27 Comstar wheels also allowed the fitment of tubeless tyres which, like other alloy wheels, [8] helped to reduce unsprung mass, [9] although not all models fitted with Comstars had tubeless tyres.
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.
The tubular tyre and rim combination has the potential to either be slightly lighter or stronger than more common clincher tyres. [5] While the clincher tyres and rims technology has caught up in recent years, the total weight of a tubular rim and tyre is still always lighter than its clincher equivalent.
The wheel size is sometimes erroneously called "650B" [8] [9] as a "marketing term" by some manufacturers for their 27.5", but the 650B size has traditionally been a designation for a 26 inch diameter (ISO ~ 40-584 demi-ballon tire) using the same ISO 584 mm rim [10] used by French tandems, Porteurs and touring bicycles.
STARK Group was founded in 1896, under the name Århus Trælasthandel A/S. Following an expansion of the company, organizationally as well as geographically, the group was – in 1918 – listed on the stock exchange and 1918 and changed its name to Det Danske Trælastkompagni.
The disk is welded in place such that the center of the wheel is equal to the center of the hub. The distance between the centerline of the rim and the mounting plane of the wheel is called the "offset" and can be positive, negative, or zero. [14] One-piece rim and wheel assemblies (see image) may be obtained by casting or forging.