Learn how to read a tyre and understand the meaning of the different markings. Learn about size conversions and what is important when fitting different rim sizes then the ones mounted orgininally on your car.
The load rating of a tyre is a numerical indication of the maximum load that a tyre can carry at the speed indicated by its speed symbol and at a given inflation pressure.
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The sidewall of a tyre shows all the basic information of a tyre. It can be considered as the "identity card" of the tyre. Please find here the description of the main tyre markings.
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The speed symbol on a tyre forms part of the load index and is a letter that indicates the maximum speed at which the tyre can carry a load corresponding to its load index
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Tyre conversion consist in mounting a tyre of a different size then the original equipment tyre of the car. Before doing a size conversion you have to consider a number of points
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Tyre companies throughout the world are members of regional tyre manufacturer’s associations (ETRTO for Europe), which establish tyre dimensions and tolerances, load carrying capacities and inflation pressures for the different tyre categories and sizes
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