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Uniform Tire Quality Grading, commonly abbreviated as UTQG, is a set of standards for passenger car tires that measures a tire's treadwear, temperature resistance and traction. The UTQG was created by the National Highway Traffic Safety Administration in 1978, a branch of the United States Department of Transportation (DOT). [ 1 ]
To take a common example, 195/55R16 would mean that the nominal width of the tire is approximately 195 mm at the widest point, the height of the side-wall of the tire is 55% of the width (107 mm in this example) and that the tire fits 16-inch-diameter (410 mm) rims. The code gives a direct calculation of the theoretical diameter of the tire.
Tire uniformity refers to the dynamic mechanical properties of pneumatic tires as strictly defined by a set of measurement standards and test conditions accepted by global tire and car makers. These standards include the parameters of radial force variation , lateral force variation , conicity, ply steer, radial run-out , lateral run-out , and ...
This heat compromises the internal structure of the tire which can lead to a blowout. When a tire is over-inflated, it wears the tread down faster, and becomes more prone to catching nails or screws in the tire. The best way to check tire maintenance is to check the air pressure, because that will lead you to whatever problem your tire might have.
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A bill to eliminate annual vehicle safety inspections come 2025 is headed to Texas Gov. Greg Abbott. Lawmakers approved a compromise version of the bill on Sunday that removes the yearly ...
The Kelly-Springfield Tire Company was an American manufacturer of tires for motor vehicles. It was founded in Springfield , Ohio by Edwin Kelly and Arthur Grant in 1894. It was acquired in 1935 by the Goodyear Tire and Rubber Company , who maintained it as a subsidiary until 1999 when it was integrated into Goodyear North America. [ 1 ]
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