Frequently Asked Questions
This is the tire size information. The 55 number refers to the aspect ratio which is the percent of the tire’s width that the sidewall represents. “R” means this tire was made with radial construction and 17 means that the diameter is 17 inches.
Periodically check with a tread-depth gauge your tire’s tread depth. Your tires have less than 2/32 of an inch at their tire tread depth. In this case, you should remove the tire for safety.