What is the difference between inside and outside of a tire?

1 Answers
AxelDella
07/29/25 4:10pm
The differences between the inside and outside of a tire are as follows: 1. Different installation directions: The letters 'outside' on different tires indicate that this side of the tire should face outward, while 'inside' indicates that this side should face inward. 2. For asymmetric tread patterns, the side with the 'outside' lettering must be installed facing outward. Here are methods to distinguish the inner and outer directions of car tires: 1. Symmetrical tread patterns: These patterns do not have inner or outer sides, but usually, red and yellow dots are marked on the outer side of the tire. Align the yellow dot with the valve stem. 2. Directional tread patterns: These patterns have clear directional arrows on the tire sidewall. Align the arrow direction with the tire's rotation direction after installation. 3. Asymmetric tread patterns: These tires have 'inside' or 'outside' markings or words on the inner or outer sidewall. Simply match them accordingly.
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