
Tire 100Y refers to the load index and speed rating of the tire. Here, 100 indicates the load index, meaning the tire can bear a maximum weight of 800kg under normal inflation conditions, while Y is the speed rating, indicating the tire's maximum speed of 300km/h under specified conditions with the designated load. For driving safety, it is essential not to exceed the load index and speed rating marked on the tire. Below are the meanings represented by the letters on tires: 1. Y stands for 300km/h, typically for high-performance sports cars. 2. S stands for 180km/h. 3. T stands for 190km/h. 4. U stands for 200km/h. 5. H stands for 210km/h, commonly for sporty sedans. 6. V stands for 240km/h, used for sports cars. 7. Z stands for 240km/h or higher, also used for sports cars.


