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2. Tire code - Wikipedia

   en.wikipedia.org/wiki/Tire_code

   H – the speed index, this means the maximum permitted speed, here 210 km/h (130 mph) The tires on a Hummer H1 might be labeled: 37X12.5R17LT. 37 – the tire is 37 in (940 mm) in diameter; 12.5 – the tire has a cross section of 12.5 in (320 mm) R – this is a radial tire; 17 – this tire fits 17 in (430 mm) rims; LT – this is a light ...

3. Formula One tyres - Wikipedia

   en.wikipedia.org/wiki/Formula_One_tyres

   As Formula One wheel rim diameter size will switch from 13 to 18 in (330 to 457 mm), the tyre diameter of 2022-spec Pirelli Formula One tyres will also be altered, from 670 to 720 mm (26.4 to 28.3 in), while the tread width of 2022-spec Pirelli Formula One tyres are expected to be unchanged.

4. Uniform Tire Quality Grading - Wikipedia

   en.wikipedia.org/wiki/Uniform_Tire_Quality_Grading

   These represent the tire's resistance to the generation of heat at speed. Tires graded A effectively dissipate heat up to a maximum speed that is greater than 115 mph. B rates at a maximum between 100 mph and 115 mph. C rates at a maximum of between 85 mph to 100 mph. Tires that cannot grade up to C or higher cannot be sold in the US. [9]

5. 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.

6. Pirelli Cinturato - Wikipedia

   en.wikipedia.org/wiki/Pirelli_Cinturato

   Pirelli were hot on the tail with their new CN36 which came out in 1969. The CN36 had a striking tread pattern and was a favourite for the likes of the Porsche 911, Ford Escort & Ford Cortina. 1971 would see Pirelli’s introduction of another high speed (HS) tyre with their CN12 Cinturato HS. These tyres were rated to be able to withstand the ...

7. Pirelli Tires - Wikipedia

   en.wikipedia.org/?title=Pirelli_Tires&redirect=no

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