Dots and stripes on tires. What do they mean?
New tires have a number of markings. While the snowflake symbol is clear, the yellow, white, orange, or red dot on the sidewall of a new tire looks mysterious.
What do the colored dots on the tires mean?
Every new tire must pass quality control. This includes checking the alignment and balance of the tires. The points mentioned include a type of quality certificate confirming that the tire has successfully passed factory tests.
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Keep in mind that dots on tires from different vendors can mean completely different things.
They can inform, for example, about:
maximum deviation of the variable radial force (red dot on the tire for Bridgestone),
- passing quality control (white dot with black center).
valve position is assembly information, often in the form of an agreement between a tire manufacturer and a car manufacturer who buys a large batch of product for their car model (usually a green dot on a tire),
What do the colored stripes on the tires mean?
Lines on tires are important only from the point of view of the manufacturing plant, they make the work of the plant employees easier and are often used only by systems that manage the production and storage of tires. For the average user, they don't matter. The same tire model of the same size will be marked with a different arrangement of colored stripes.
The stripes usually wear off after a few days of tire use.
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