The double truck adopts aluminum material, vibration-light technology, and gravity casing technology. two-layer is higher than ordinary trucks. the double truck with double-cone and double pillar structure. the structure makes the truck be flexible in turning and rotating piles. just like fish, swing and move back and forth in the water.
Actually, the PU of the double truck has different stress structures. UP of the group near the board end deforms more when bending, while the UP of the group near the road end deforms less, which to some extent allocates the bearing capacity of the PU on the shaft and makes the force more uniform
NOTE THE ITEM ONLY OFFE THE TRUCK KIT WITHOUT THE HANGER