Truck tyre tires at the shoulders along the circle are imprinted on Friday attainment of "△" mark, is the Truck tyre wear warning signal signs. When Truck tyre tread wear to 1.6mm from the bottom of the groove, this part of the trench began to break, resulting in a clear crack.
To alert the driver must be replaced Truck tyre. Truck tyre Truck tyre wear indicator is not only a guarantee of safe driving, but also whether, as Attorney Truck tyre normal wear and tear basis. When abnormal Truck tyre wear, from Truck tyre wear indicator can be clearly displayed.
China's national standards, passenger car radial Truck tyre tread wear limit is 1.6mm, trucks, passenger car radial Truck tyre tread wear limit is 2.0mm.