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  2. Uniform Tire Quality Grading - Wikipedia

    en.wikipedia.org/wiki/Uniform_Tire_Quality_Grading

    UTQG ratings on sidewall of Toyo Tires Proxes R39 tire UTQG ratings (top) and tire code (bottom) on sidewall of Continental ContiProContact tire. 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.

  3. Tire code - Wikipedia

    en.wikipedia.org/wiki/Tire_code

    1- or 2-digit/letter combination: Speed rating; see table below. Additional marks: see subheading below. As an example, if a tire size has two sets of numbers (6-12, 5.00-15, 11.2-24), then the first number ( 5.00 -15) is the approximate width in inches, and the second number (5.00- 15 ) is the rim diameter in inches.

  4. Tire uniformity - Wikipedia

    en.wikipedia.org/wiki/Tire_uniformity

    The 10mm area-of-interest also means that bulge measurement is limited to a small portion of the tire. Capacitive sensors employ void filtering to remove the effect of the voids between the tread lugs in radial runout measurement, and letter filtering to remove the effect of raised letters and ornamentation on the sidewall.

  5. Tire lettering - Wikipedia

    en.wikipedia.org/wiki/Tire_lettering

    With tire manufacturers no longer producing raised white letter tires on a mass scale, the advent of tire decals came about. Initially, it was the tire manufacturers themselves who made the first serious attempts with both Goodyear and Firestone inventing versions, [ 10 ] [ 11 ] in 1987 and 1990, respectively, that added a significant ...

  6. Tyre label - Wikipedia

    en.wikipedia.org/wiki/Tyre_label

    EU Tyre Label. The Tyre Label is a mark for motor vehicle tyres.Manufacturers of tyres for cars, light and heavy trucks must specify fuel consumption, wet grip and noise classification of every tyre sold in EU market starting in November 2012.

  7. European Tyre and Rim Technical Organisation - Wikipedia

    en.wikipedia.org/wiki/European_Tyre_and_Rim...

    The European Tyre and Rim Technical Organisation (ETRTO) exists to specify and harmonise sizes of rims and their associated pneumatic tyres across the European Union.ETRTO sizes apply to rims and tyres for vehicles of all types, including bicycles.

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