This skateboard has a perfectly designed shape for a balanced center of gravity combined with the right amount of flex for better control and whip during turns. The core material gives great response during turns and increased energy. Deck Construction: Two layers of bamboo, two layers of glass fiber, four layer of Canadian maple Trucks ： 7 inch aluminum Truck , maximum load of 330lbs. Wheels: 70x51mm , material : MDI , PU wheels Bearings: ABEC-9 steal Grips: OSG0 ,44 * 10" black grip Bolts: 1.2inch black stealTantrum Tow Ropes