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How to Read Tire Specification Parameters?

1 Answers

MacColton

07/25/25 4:25am

Automobile tire specifications can be identified through the markings on the sidewall. Below is a detailed introduction to tire parameters: 1. The 3T Index of tires refers to the Treadwear Index, Traction Index, and Temperature Index. 2. Treadwear-220 indicates the tire's treadwear index is 220. Generally, a treadwear index between 280-320 is considered moderate. The higher the number, the more wear-resistant the tire. More wear-resistant tires tend to be harder, noisier, and less comfortable. 3. Traction-A indicates the traction index is Grade A, which proves strong grip. 4. Temperature-A indicates the tire's temperature grade is A, the highest level, meaning the tire has the best structural stability at high speeds. 5. The structural parameters of heavy tires mainly refer to the number of steel belt layers, cord layers, and nylon layers in the tread and sidewall. More layers indicate higher tire strength and lower probability of blowouts or punctures.

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