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How To Read a Tire Sidewall?

How to read a tire sidewall?

In addition to the tire brand and model, the sidewall always indicates the critical information regarding size and capacities.

Here is the explanation for the different details of a tire identified as 185/70 R 14 88H:


- 185: Corresponds to the width of the tire’s section in millimetres; the higher this value, the wider the tire.

- 70: Determines the ratio between the sidewall’s height and the section’s width; in this example, the sidewall’s height equals 70% of the section’s width. The lower this value, the lower the tire’s profile.

- R: Refers to the construction type: R = radial.

- 14: Tire’s inside diameter expressed in inches; it obviously should match the rim’s size onto which the tire will be mounted.

- 88: Load rating the tire can support at maximum inflation; in this instance, 560 kg (cf. chart).

- H: Indicates the speed rating for which the tire has been designed; this tire can therefore be driven at a maximum speed of 210 km/h (cf. chart).

How to read a tire?




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