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2. Tire code - Wikipedia

   en.wikipedia.org/wiki/Tire_code

   The available codes were SR (180 km/h, 112 mph), HR (210 km/h, 130 mph), VR (in excess of 210 km/h, 130 mph), and ZR (in excess of 240 km/h, 150 mph). In many countries, the law requires that tires must be specified, and fitted, to exceed the maximum speed of the vehicle they are mounted on, with regards to their speed rating code (except for ...

3. Tyre label - Wikipedia

   en.wikipedia.org/wiki/Tyre_label

   The Tyre Label is a mark for motor vehicle tyres. ... is measured as the combination travels at a constant speed of 65 ± 2 km/h. ... yielding ratings of A - G ...

4. Tire uniformity - Wikipedia

   en.wikipedia.org/wiki/Tire_uniformity

   The standard test speed for tire uniformity machines is 60 r/min of a standard load wheel that approximates 5 miles per hour. High speed uniformity machines are used in research and development environments that reach 250 km/h and higher. High speed uniformity machines have also been introduced for production testing.

5. Motorcycle tyre - Wikipedia

   en.wikipedia.org/wiki/Motorcycle_tyre

   A motorcycle tyre (spelt tire in ... dry weight chassis, up to a top speed of 240 km/h ... Speed rating [16] Rating Speed (km/h) Speed (mph) Moped: 50: 30 J: 100: 62 ...

6. Low rolling resistance tire - Wikipedia

   en.wikipedia.org/wiki/Low_rolling_resistance_tire

   Low rolling resistance tires are designed to reduce the energy loss as a tire rolls, decreasing the required rolling effort — and in the case of automotive applications, improving vehicle fuel efficiency as approximately 5–15% of the fuel consumed by a typical gas car may be used to overcome rolling resistance.

7. 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.