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The 26-inch wheel size initially used in mountain biking has all but died off at the top level of cross-country racing, with 29″ wheels becoming the norm and 650b wheels being used occasionally. 650b wheels are 584 mm diameter wheels, and approximately 27.5″ with a mounted tire, hence their more common name, " 27.5 inch wheels ."
The 1922 London Motor Show displayed a range of tread patterns that were reported on by The Autocar. [2] Some of these, from Miller and the French firm of Bergougnan [ fr ] , display what would now be recognised as the classic bar grip pattern of sharp-edged transverse bars with a wide central rib.
Off-road cycle tires, colloquially called knobbies, [4] may be found on motocross and enduro motorcycles, ATVs, and mountain bikes. [1] Tires for single-track vehicles and ATVs have a curved profile such that some tread only contacts the ground during turning. Depending on the model of tire, an off-road capable tire may or may not be approved ...
Tire wars are a controversial practice: on the one hand, they promote technical innovation, forcing tire manufacturers to "push the limits" of their tire manufacture. On the other hand, when all event competitors plan to stretch their tires' performance envelope , the event risks widespread tire failures that can reduce driver safety; such a ...
S-132 NA Brant House (ed.) Cartoon Annual #2 (1955) S-136 NA R. V. Cassill A Taste of Sin; S-137 NA Ralph Jackson Violent Night (1955) S-140 NA H. T. Elmo Honeymoon Humor (1956) S-141 NA Oliver Crawford Blood on the Branches (1956) S-142 NA Glenn M. Barns Masquerade in Blue (1956) S-143 NA Harry Whittington A Woman On The Place (1956)
The inner width of the rim on which the tire is mounted should be about 65% of the tire's nominal section width for tires smaller than 30 mm and 55% for those larger. The section height of a tire is usually identical to its section width (for tires less than 28 mm, 2.5 mm have to be added to the width to get the height).
Image credits: beelovedone #12. Woodworking, doing (minor) work on appliances/cars, using power tools, etc. I have been building furniture and fixing up random things here and there around the house.
The Michelin TRX, (and the related TDX), is a radial tire introduced by the Michelin Group in 1975. It is one of the first volume-produced low-profile tires. Although technologically advanced, and reasonably successful, the tire's requirement for a non-standard rim ultimately condemned it to a relatively short commercial life.