What does 99t mean on tires?
1 Answers
99 is the tire load index, which indicates the maximum weight the tire can bear; 99 represents a maximum load of 775 kilograms, and the letter T indicates the tire's maximum speed is 190 km/h. Tire model markings: The section width and aspect ratio are expressed in millimeters as a percentage. This is followed by the tire type code, rim diameter (in inches), load index (permissible load mass code), and permissible speed code. Tire speed ratings: The speed rating indicates the maximum speed at which the tire can carry a specified load under defined conditions. T represents a maximum speed of 190 km/h when carrying the specified load.