The speed grade indicates the maximum speed that the tire can bear the specified load under the specified conditions. Tire size is usually represented by a set of numbers, with the former number representing the tire section width and the latter number representing the rim diameter in inches.
Extended data:
Speed grade
The speed grade indicates the maximum speed that the tire can bear the specified load under the specified conditions.
Commonly used speed levels are:
Q160km/h
R170km/h
S180km/h
T190km/h
H2 10km/h
240 kilometers per hour
270 kilometers per hour
300 kilometers per hour
Z ZR speed is higher than 240 km/h-if ZR appears, such as P275/40ZR 17 93W, then the highest speed level ("W" in "93W") is 270 km/h. ..
References:
Baidu encyclopedia-tire model
References:
Deng Lupu, official website-To protect the rights and interests of car owners, please buy genuine tires.