What Are Tire Measurements?
Tire measurements are standardized alphanumeric codes stamped onto a tire’s sidewall that dictate its physical dimensions, load capabilities, and vehicle fitment. These codes provide a universal language for manufacturers and drivers to ensure structural compatibility, safe weight distribution, and correct handling characteristics for any passenger or commercial vehicle. At a Glance How do you read […]
What Do the 3 Numbers Mean on a Tire Size?
The three primary numbers on a tire size represent the tire section width in millimeters, the aspect ratio as a percentage of that width, and the wheel rim diameter in inches. For example, in a tire marked 225/50R17, 225 is the width, 50 is the aspect ratio, and 17 is the wheel diameter. What is […]
Are Cracked Tyres Dangerous? Know When to Replace Them
Cracked tyres can be dangerous because cracking may show that the rubber compound and casing have deteriorated. Fine superficial crazing can be an early warning, but cracks that widen, reach the casing, appear on a sidewall or bead, or expose cords make the tyre unsafe and require professional assessment or replacement. Key Facts at a […]
Can Tires Dry Rot? Signs, Safety, and Replacement
Yes, tires can dry rot. Tire dry rot, also called sidewall cracking, weather checking, or ozone cracking, is age-related deterioration of rubber caused by ozone, ultraviolet light, heat, oxygen, and time. A tire with visible structural cracks, exposed cords, bulges, or tread separation should be professionally inspected and generally replaced, even when tread depth remains […]
What Does 102H Mean on a Tire?
On a tire, the designation 102H is a standardized service description representing the tire’s maximum load capacity and safe speed limit. The number 102 is the load index, indicating a maximum weight capacity of 850 kg or 1,874 pounds per tire. The letter H is the speed rating, indicating a maximum safe speed of 210 […]