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Frequently Asked Questions
245 represents the width of the tire in millimeters. "45" indicates the aspect ratio, which is the height of the sidewall as a percentage of the tire's width. "R" stands for radial construction. Lastly, "20" denotes the diameter of the wheel in inches.
A tire with the size designation 245/45R20 has a width of 245 millimeters.
Yes, tires sized 245/45R20 typically fall under the category of low-profile tires. The aspect ratio of 45 indicates that the sidewall height is 45% of the tire's width, which generally results in a lower profile appearance.
A rim with a diameter of 20 inches is suitable for mounting 245/45R20 tires.
