What’s the Meaning of the Triangle Mark on the Car Tyre?

If we are enough familiar with the car tyre around our life, we can see there is always a triangle mark on the tyre shoulder of the car tyre. Do you know what’s the meaning of it？It is the alarm signal of the tyre wear. When the wear of the wheel trend is about the 1.6mm with the bottom of the groove, the groove start to generate the breakage to remind the driver to change the car tyre. It is not only the assurance of the safe driving, but also the basis to check the car tyre. As the standard code said, the wear limit of the car tyre is 1.6mm, and the wear limit of the truck tyre or the trailer tyre is 2.0mm.