What do they mean for car tires?
The most important tire codes

On the car tires sidewall, you can see many codes that can say something such as date of produced, tire sizes and the highest speed for this tire. For example, 195/55R1585V.

195 = Car tire's width that means this tire has 195 millimeters-wide
55 = Car tire's sidewall in 55% of Car tire's width that can get the height as 107.25 millimeters (0.55 x 195 = 107.25)
R = Radial (Type of car wheel-tires)
15 = Wheel diameter size that means this tire has a diameter size in 15 inches.
85 = The payload for this car wheel-tire in 515 kilograms
V = The reference letter of the highest speed for this tire within 240 kilometers per hour.

What do they mean for car tires?
Date of production for the car wheel-tire

Check at their codes with DOT that there are 12 letters which you keep focus only the last four ones that "5015". It means the week and year of the production for this car wheel-tire such as

- "50" is the 50th week of the year (There are 52 weeks in the year) In this case, it would be produced on the Half of December
- "15" is the year for making this production in 2015. 

What do they mean for car tires?
The letter references for the highest speed that the tire can handle

The last letter on the car wheel tire's sidewall that refers to the highest speed that the tire can handle when you drive a car and make speed. 

U = 200 kilometers per hour
H = 210 kilometers per hour
VR = 210 kilometers per hour
V = 240 kilometers per hour
W = 270 kilometers per hour
Y = 300 kilometers per hour
Z = more 300 kilometers per hour 

What do they mean for car tires?
The ratio for car loading with the wheel tires

Their numbers that you can see, they are shown about a car loading with the wheel tire that you use for your car series owner. If there are more numeric values, they can be more loaded.

All in all, these are the details about how to know about the car tire codes for keeping to tell the mechanicians to change some car tires. We ourselves hope them to help you when you drive an owned car or the car rental. So if you need to use a car rental, come to ECOCAR rent-a-car's Car Rental Thailand every time that there are 10 branches around the Land of Smile to support your journey.