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  2. Tire uniformity - Wikipedia

    en.wikipedia.org/wiki/Tire_uniformity

    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 ...

  3. Uniform Tire Quality Grading - Wikipedia

    en.wikipedia.org/wiki/Uniform_Tire_Quality_Grading

    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 ]

  4. Tire tread - Wikipedia

    en.wikipedia.org/wiki/Tire_tread

    As tires are used, the tread is worn off, limiting its effectiveness in providing traction. A worn tire can often be retreaded. The word tread is often used casually to refer to the pattern of grooves molded into the rubber, but those grooves are correctly called the tread pattern, or simply the pattern. The grooves are not the tread, they are ...

  5. Bar grip - Wikipedia

    en.wikipedia.org/wiki/Bar_grip

    The usual military replacement for a bar grip tyre today is now a pattern like the Michelin XCL or 'NATO Pattern'. This consists of large solid rubber blocks, of similar size to the bar grip bars. These blocks are arranged in crosswise bars of three blocks, so that there is now good water clearance between blocks, both radially and axially.

  6. ISO 5775 - Wikipedia

    en.wikipedia.org/wiki/ISO_5775

    A typical example of a tire marking according to ISO 5775-1 is: 32-597 inflate to 400 kPa. The first number (nominal section width) is essentially the width of the inflated tire (minus any tread). The second number (nominal rim diameter) is the inner diameter of the tire when it is mounted on the rim.

  7. Tire - Wikipedia

    en.wikipedia.org/wiki/Tire

    Mud-terrain tires have a deeper, more open tread for good grip in mud, than all-terrain tires, but perform less well on pavement. [ 31 ] High-performance tires are rated for speeds up to 168 miles per hour (270 km/h) and ultra-high-performance tires are rated for speeds up to 186 miles per hour (299 km/h), but have harsher ride characteristics ...

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