DECK Size: 9.5 × 42 " Material: 8 plies of coloured sugar maple veneer. Sugar maples are grown up near the North America Great Lakes, being a long-fiber wood, is lightweight and flexible. Process: High-speed hot-press molding under normal temperature. Less but high-quality water-based glue, lightweight but durable, nice appearance. Glue: American standard Green Type I water-based non-toxic glue. TRUCK Size: 7 inch with Axle width 180mm. Material: 356-T6 aluminum alloy base plate and hanger under gravity casting heat treatment with T6 process, with quench, aging, cleaning and finishing treatment. The surface is well trimmed, grinded and painted. Kingpin: Highly tempered steel kingpin, stable and durable. PU cushion: 97A durometer, made by Dupont MDI high rebound polyurethane, hard type cushion, more stable and is suitable for ABC skateboarders. WHEELS Size: Diameter:70mm Thickness:42mm Material: High rebound MDI polyurethane elastomers. Durometer: 70% rebound, hardness 83A. BEARINGS ABEC-9 Skateboard 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.