How to look at the size of car tires?
Take the amount of things chanting
The international standard tire code, in millimeters, represents the percentage of section height and flatness ratio. Followed by: tire type code, rim diameter (inches), load index (permit bearing quality code), permit vehicle speed code. For example: 175 / 70R 14 77H 175 represents the tire width is 175mm, 70 means that the flatness of the tire cross section is 70%, that is, the cross section height is 70% of the width, R represents the radial tire, the rim diameter is 14 inches, the load index 77, Xu speed is H level.
Tire size printed on the sidewall, there are two ways, that is, such as 34 * 7 or 7.50-20, etc. said. The former is high-pressure tires, the latter for low-pressure tires. There are also many signs, such as D for light cars, F for medium-sized cars, G refers to standard cars, H, L, J is used for large luxury and high-performance cars. Such as the tire wall printed on a R, such as 175R13, said the tire is a diameter tire, width 175mm (6.9 inches), installed in the rim diameter of 13 inches (330mm) on the wheel, the general will be engraved RADIAL word.
