Diagram of tire. This is the tire itself made up of several layers of plies. The letter p at the beginning of the tire size tells us the tire is a p metric tire referring to tires made to certain standards within the united states intended for passenger vehicles. If a tire size has no letters at the beginning this indicates a euro metric tire. A tire american english or tyre british english.
Rotating your tires isnt as simple as it might sound. Automobile tires are described by an alphanumeric tire code in american english and canadian english or tyre code in british english australian english and others which is generally molded or moulded into the sidewall of the tire. Plies like polyester cord run perpendicular to the tires tread and are coated with rubber to help bond with other plies and belts to seal in air. Get an inside look at each of the elements that make up a typical tire.
The crown is the center tread area of the tire and includes all of the large grooveswater channels that run along the circumference of the tire. Whether your tires are directional or non directional directional tires have a tread pattern that is designed to rotate in one direction only whether your vehicle is front wheel rear wheel 4 wheel or all wheel drive. There are specific tire rotation patterns that should be followed based on these factors. This code specifies the dimensions of the tire and some of its key limitations such as load bearing ability and maximum speed.
This can be done at home with minimal tools. Tire diagram sample photos. If the wheel isnt stamped simply refer to the diagram on the left. Plies give tires strength and resistance to road damage.
P metric and euro metric tires may have different load capacities. Here are two tire size charts that list every tire by wheel size or by diameter to make your search as simple as possible. A massive tire size chart with both metric and inch tire sizes listed to easily compare every tire size in one spot. Tire anatomy and construction anatomy of a tire.
However the crown does not include the outermost tread block of the tire. Check your tires air pressure monthly as some air loss occurs over time. Learn vocabulary terms and more with flashcards games and other study tools. Start studying tiere und haustiere.
See spelling differences is a ring shaped component that surrounds a wheels rim to transfer a vehicles load from the axle through the wheel to the ground and to provide traction on the surface over which the wheel travels. To calculate a metric tire size into inches you multiply the first. Sample photos frequently asked questions. Most modern tubeless tires are constructed with a virtually impermeable butyl rubber liner.
Measuring offset is easier than you may think. For most cars this wont work correctly. Although the tire does not have to be dismounted from the wheel to measure its much.