How do car tires stop using scrapped?

Answer:

Hello, China's national standard provisions of the car with radial tire wear limit of 1.6mm, trucks, passenger cars with radial tire wear limit of 2.0mm, and requires the tire factory must be obliged to wear standards on the tire wear instructions Device. When the tire pattern wears to the above limits, the wear indicator should be displayed to alert the driver to the replacement of the tire in time.

Usually 6w or 4 years to replace the best 4 tires, you are not rubber aging unsafe.

When the tire can no longer be used to see the actual use of tires to use the number of kilometers or years to determine directly is not accurate

Tire life is generally 2-3 years or driving 6-10 million km or so. Tape depth should be changed at 1.6mm (minimum wear). More than the shelf life of the tires (especially spare tire, spare tire life is roughly 3 years), the overall performance has declined