CX7 Adult Skateboard Trucks 6 Inch Skateboard Surfboard Bracket Gravity Bridge Surf Bridge Longboard Trucks                Comparison:gravity casting technology.     productive principle:Aluminum liquid flow into truck mould by liquid's weight naturally, this way can delete mould's inside air clearly.     truck surface:A little rough, because of heat treatment.     producing speed:very slow, because of heat treatment, which contains solution treatment and artificial aging treatment.     suitable group:Whose weight is over 150kg, or who are very professional, do kickflip, backside, noseslide, etc these kinds of heavy movements often.          The color of the shock absorber is random, no designation is accepted     Type: Skateboard parts     Model No.: Surf Truck Set     Land Surfboard CX7 Series     size:6 inch     Material:Aluminum alloy      colour:Silver          Package Contents:     1 Pair * skateboard bracket     1 * T-wrench     8 * Bridge screw     1 * 3mm gasket     1 * waist gasket          Only the above package content, other products are not included.     Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.