1. It may be that the condition of wheel balance is not good, and the owner needs to do a four-wheel positioning and dynamic balance as soon as possible. If the vehicle does not run off, tire dynamic balance can be done.

2. It may be caused by the deformation of the steel ring, which requires the owner to go to a professional repair shop for inspection. This situation generally occurs in vehicles with long service life.

Precautions:

Most tire models are marked in the form of 2 15/70R 15. The meanings of these numbers are: 2 15 represents the tire section width in mm, the tire width is between 145-285 mm, and the interval is10 mm; ; 70 is the flattening ratio, that is, the ratio of tire sidewall height to tire section width. 70 stands for 70%, and the flat rate of tires is between 30% and 80%.