The English logo of Bridgestone tire is Bridgestone, which translates as "bridge stone" and actually means "stone bridge". The name comes from the surname of Masajiro Shiqiao, the founder of Bridgestone. At that time, the stone bridge was originally called stone bridge, but this pronunciation was very unpleasant in English, so it was simply changed to Bridgestone.

Bridgestone's tire identification is in accordance with national standards, and the production number, manufacturer's trademark, size, grade, maximum load and corresponding air pressure, Chinese phonetic code of carcass cord fabric, installation requirements and driving direction signs should be marked on both sides of the tire. We can learn a lot about tires through the signs on them. As shown in the figure below:

TURANZA ER33 is a Bridgestone series pattern, and ER33 is a pattern code.

235/50R 18 97W is the tire size, load capacity and speed class. The tire width is 235mm；; The flat rate of the tire is 50, that is, the section height is 50% of the width; R indicates that the tire is a radial tire; 18 means that the rim diameter is 18 inch; Load index 97 represents the maximum load of 730kg, and four tires are 730×4 = 2920kg；; W means the speed level is 270 kilometers per hour.

EL 5V JFK 38 1 1 is a dot, which contains the factory code and product specifications. 38 1 1 indicates that the tire was produced in the 38th week of 1 1.

Made in Japan: Japan.

ER33EZ is still the model name; EZ is the distinguishing mode.

Tubeless.

Steel belt radial steel wire tire.

There are also these points in the gap inside the tire, which represent the wear limit of the tire. If a flat tire is found, it means that the tire has reached the wear limit. It is recommended to replace the tires immediately.