BACKFIRE Drop Through Longboard Complete Lightweight 39 8.625inch Professional longboards Backfire Longboard size:39x8.625 Inch; 8 ply Canadian Maple deck with 3 dyed layer Wheels70x51mm 75% rebound, 83A hardness, ideal for carving,cruising,freerider Truck: 7 inch ,Inverted.356-T6 aluminum alloy base plate and hanger, Bearings:ABEC-9 High Speed special bearing, filling with Speed Cream lubricants Grip:OS-800 grip tape. PVC substrate, adhesive to the board stronger, hard and sharp of silicon carbide