What does 91w on a tire mean?
1 Answers
Tire 91w indicates that the maximum load capacity of a single tire is 615 kilograms, and the maximum speed it can withstand is 270 km/h. The number 91 represents the load index, which is the numerical value indicating the maximum load a tire can bear under specified conditions when inflated to its maximum air pressure. The methods for replacing and maintaining tires are introduced as follows: Method for replacing a tire: Park the vehicle in a safe location, turn on the hazard warning lights, and engage the handbrake. Place a triangular warning sign at an appropriate distance behind the vehicle. Retrieve the spare tire, along with the wrench and jack from the car, then remove the old tire and install the new one. Tire maintenance methods: Regularly remove stones stuck in the tire treads, minimize exposure to direct sunlight, frequently check tire pressure, pay attention to suspension maintenance, periodically inspect front wheel alignment, adopt careful driving habits, choose smooth road surfaces while driving, avoid objects that could puncture or scratch the tires, and steer clear of chemical spills that may corrode the tires.