Truck tyre tread wear appears jagged, mainly due to improper wheel alignment or front suspension system to adjust the location disorders, ball Songkuang, so that the normal occurrence of sliding or rolling of the wheels moving wheel alignment Truck tyre changing and the formation of jagged wear. Truck tyre wear individual volume, individual wheel suspension system disorders, Bending or individual wheel bearing will cause imbalance in the early individual Truck tyre wear. After this occurs, check the wear of wheel position, the independent suspension springs and shock absorbers of the work, while the wheels transposition period should be shortened. Truck tyre wear form of alopecia areata appears in the Truck tyre shape of individual parts of alopecia areata occurs because the Truck tyre wear and poor balance. When the balance wheel of high-speed rotation, the individual parts by the force, wear accelerated, while steering flow, and control performance deteriorated. If the vehicle is found in a particular direction there was a slight jitter rate, the wheel should be balanced, to prevent any form of alopecia areata wear.