Frequently Asked Questions
The numbers in the tire size, 225/60r17, each represent a specific measurement. Firstly, 265 indicates the tire width in millimeters. Secondly, 60 is the aspect ratio, representing the sidewall height as a percentage of the tire width. Next, R stands for radial construction. Lastly, 18 indicates the diameter of the wheel.
The diameter of the 265/60r18 tire size is 30.52 inches approximately.