What does 98W on a tire mean?
1 Answers
The number 98 in 98W on a tire represents the load index, where 98 corresponds to a maximum load capacity of 750KG per tire; the letter W stands for the speed rating, indicating a maximum speed of 270km/h. The load index is molded on the sidewall of the tire, representing the maximum load limit for that tire. For driving safety, this load limit should not be exceeded, as overloading may cause excessive heat buildup and lead to sudden tire failure. Definition of tire load index: It refers to the maximum load a tire can carry when inflated to the specified pressure. It is usually represented by a numerical value. Definition of tire speed rating: It refers to the maximum speed at which a tire is allowed to operate, generally indicated by a capital letter and marked on the sidewall of the tire. In addition to the model, the following common data are also marked on the tire: Tire cord material: Represented by Chinese Pinyin, such as M for cotton cord, R for rayon cord, N for nylon cord, G for steel cord, and ZG for steel radial cord tire. Speed rating: Indicates the maximum speed at which a tire can carry a specified load under specified conditions. Letters from A to Z represent certified speed ratings ranging from 4.8km/h to 300km/h. Commonly used speed ratings include: Q: 160km/h; H: 210km/h; V: 240km/h; W: 270km/h; Y: 300km/h.