How to Know Car Tire Specification Code

Tires are an important part of your car or motorcycle because the ability of a tire can affect the comfort and safety of your drive, but there are still some car owners, especially cars who are less aware of the selection and use of the right tires for their cars. Therefore, you should familiarize yourself with the car tire specification code before you modify and change the tire size without sacrificing the comfort and safety factor of your drive.

Specification of car tires

Let’s get to know a car tire specification code like this example: 215/50 R17 90W, and here’s the explanation:

1. Car Tire Size

> 215: this figure shows the width of the tire’s palm, the bigger the number the width of the tire’s palm, the size is expressed in millimeters (this tire means having a tire with a width of 215 mm).

> 50: this figure shows the aspect ratio of the height of the edge of the tire wall to the width of the tire’s palm, the height in question is the distance from the rim lips to the tire palm that touches the road surface, the smaller the height the edge of the tire wall is shorter, this size is expressed in percentage This tire means having a high edge tire wall of 50% of 215 = 107.5 mm)

> R: This code shows the type of tire construction that is Radial.

> 17: this figure shows the diameter of the wheels that can use the tire, its size is expressed in units of inch (this tire means it can be used on 17-inch diameter tire wheels).

> 90: this figure shows the load capacity index that can be accepted by the tire, the bigger the load capacity will be greater, and if otherwise (this tire means able to accept load up to 600kg). The Load Capacity Index can be found at the bottom of this article.

> W: This letter indicates the maximum speed limit of a tire driven by carrying loads that conform to the specified specifications in the standard, for 1 (one) hour continuously. (W code indicates that this tire can be driven up to a maximum speed of 270 km / h) Ban Tire Index you can read at the bottom of this article.

2. Age of car tires.

Car tires also have an ideal lifespan of 3 years or +/- 60,000 km, each tire manufacturer has a different code model and number, you can search around the lip of the tire (close to the car wheels) there are usually 4 (four) numbers like this 2213, meaning that this tire is produced on the 22nd week in 2013.

3. Treadwear Indicator

This sign is a physical feature that lies precisely on both sides of the tire flower. Reinforced with a thick line that extends between the two marks indicating the condition of tire use. If the thickness of the tire, especially on the grove has touched the line, indicating the car tire is time to be replaced new.

Tire Speed ‚Äč‚ÄčIndex
Letter Code | Maximum speed :
P | 150 km / h
Q | 160 km / hr
R | 170 km / h
S | 180 km / h
T | 190 km / h
H | 210 km / hr
V | 240 km / hr
W | 270 km / hr
Y | > 300 km / h

Load Capacity Index
Code | Maximum Expense:
62 | 265 kg
63 | 272 kg
64 | 280 kg
66 | 300 kg
68 | 315 kg
70 | 335 kg
73 | 365 kg
75 | 387 kg
80-89 | 450-580 kg
90-100 | 600-800 kg

Leave a Reply

Your email address will not be published. Required fields are marked *