The tire tire wall has a drum and scratching phenomenon, which requires replacement, and the drum bag indicates that the steel wire inside the tire has one or more breaks, causing rubber that cannot withstand the pressure inside the tire, so the drum phenomenon will occur.
General drums are caused by external force damage. Therefore, it is recommended that the owners should not be too bilateral, prevent tires from friction to the road teeth lead to the tire drum. If the drum and scratched failures need to be replaced, the tire is needed to prevent the use of vehicle tires.