The same vehicle can not mix two different specifications of the Truck tyre. Radial Truck tyre Truck tyre and the bias of different lateral force, if two different Truck tyre mounted on the same axis at the same time, it will cause oversteer or less, or likely to cause skidding, light and flexible manipulation of vehicles sex, severe accident occurs. Therefore, the same axle can not be mixed with different structures Truck tyre. Truck tyre replacement of machinery and equipment should be dedicated to the specialty store to replace, to avoid using the old method of hammer and a crowbar in order to avoid fetal injury hurt hub.