What information can you find on a tire sidewall?
How To Read A Tire Sidewall
- TIRE SIZE.
- P identifies your tire as a Passenger Tire.
- 225 identifies the tire section width, which is the measurement of the tire from sidewall to sidewall in millimeters.
- 50 is the two-figure aspect ratio.
- R indicates the construction used within the tires casing.
How do you determine tire size from sidewall?
The first number to appear in your tire size information is the width, in millimeters, of the correct tires for your vehicle: P225/70R16 91S. Tire width always refers to the measurement from one sidewall to another.
How do you read a tire marking code?
After the DOT insignia is your tire’s identification number (TIN). The first grouping of two to three letters or numbers represents the assigned identification mark for the manufacturer. The second group can be no more than two symbols and identifies the tire size.
How do you read a tire sidewall PSI?
To the left of the DOT Tire Identification Number, you’ll see two more pieces of information. First, the tire’s max carrying load capacity tells you the maximum weight your tire can handle. Second, the max cold inflation level indicates your tire’s maximum inflation pressure in psi.
What do letters on tires mean?
The number is the load rating, or the amount of weight that it can handle. The letter is the speed rating, or the maximum speed the tire is built for. As an example, a tire rated 90R could safely carry 1,323 pounds and travel at 106 mph. Consult a load and speed index to find out what your tire’s specific rating means.
What does 120s on a tire mean?
For example, a light truck tire with a load index of 120/116 means a load capacity for a single tire of 3,086 pounds and a load capacity of 2,756 pounds for two tires.
What do the letters on a tire mean?
What does R stand for on tires?
radial tire
This is indicated in percentage of the tire width. “R” stands for the construction method of the tire indicating the tire is a radial tire. The following two numbers (16) indicate the diameter of the wheel rim in inches. The next two or three numbers (94) indicate the load index of the tire.
What does V mean on tires?
SPEED RATING V Once the highest speed rating a tire could have, “V” used to represent a maximum of 149 mph (240 kph) or more. Nowadays, it means 149 mph but no higher.
What does R stand for on a tire?
What does the sidewall of a tire tell you?
The sidewall of your tires is filled with important information that tells you everything about your tire regarding the dimensions, construction, operating characteristics and manufacturer. The easiest way to understand tire markings is to take an example and break it down.
How to check the air pressure of your tires and wheels?
Tires and wheels must be balanced statically and dynamically. 6. When checking air pressure, always refer to the tire sidewall, because this is the most accurate air pressure reading. 7. A tire designated with the letter T is for heavy trucks. 8. When a radial tire bulges on the sidewall, this means that the tire is underinflated all the time. 9.
What do you know about plies in a tire?
It focuses on various essential parts of wheels and tires that are responsible for the proper functionality of a vehicle. So, take this test and get to know what you didn’t. 1. More plies in a tire improve the ride quality of the tire.
How many symbols can be used on a tire?
The second group can be no more than two symbols and identifies the tire size. The third grouping can be no more than four symbols and may be used at the option of the manufacturer to indicate the tire type or other significant characteristics of the tire.