Tire Knowledge

Tire Maintenance Guide

Inspect your tires once a month to ensure it can last longer and is safe for use. The purpose of this section is to provide tire service buyers, professionals and end users an understanding of the many factors that are essential to the proper care and service of tires. This is not all inclusive and is not intended to eliminate in-depth, practical training, especially in areas such as: tire mounting and demounting; tire and wheel balancing; tire retreading; tire pressure monitoring systems (TPMS) and tire repairing. Personnel that service tires must receive professional training and certification. Tire manufacturers and industry organizations provide comprehensive, hands-on training programs for tire service professionals.

Sidewall Guide

How to Read a Tire Sidewall

Annotated tire sidewall diagram

Tire Size Designations

The following is an explanation of size designation systems presently in use for passenger vehicle tires:

Tire size designations chart

METRIC TIRE SIZES

No prefix in the tire size indicates this is a Passenger Tire in European Metric. The (P) in the tire size indicates this is a Passenger Tire in P-Metric and (LT) in the size indicates this is a Light Truck Tire in Light Truck Metric.

High floatation light truck tire sizes chart