Direct contact with the ground because of Truck Tyre, cars driving in the road conditions are often complex, coupled with fast speed car, Truck Tyre objects can easily be ground damage, including damage to the more common form of drum kits and tie holes. Drum package is the vehicle traveling in the Truck Tyre tire tire shoulder or near the site of strong impact outside shoulder foreign body (such as: road tooth son, potholes, large rocks, etc.), resulting in Truck Tyre on rim between the flange and the impact of serious physical ply been squeezed squeeze the break, Truck Tyre broken the internal air from the drum at the top of the formation from the package. Drum Truck Tyre package ply due to bear the load has been damaged and can not afford cars driving erratic changes in the alternating load, so should not be used, must be immediately replaced. Absolute prohibition on the drum package Truck Tyre high speed, once the tire will be very serious consequences. Truck Tyre bar hole is the most common form of Truck Tyre damage, generally, such as a nail, small screw holes Sizha mend the bad can be a normal use. However, more than 1 cm in diameter in the repaired holes, to be used with caution, must not be on the high speed.