Deck size: 42 × 9.5 inch material: 8 plies of colored 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 epoxy glue, lightweight but durable, nice appearance. Glue: American standard green type I epoxy 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 bushing: 90a hardness, made by mdi high rebound polyurethane, hard type cushion, more stable and is suitable for abs skateboarders. Wheels size: Diameter:70mm width:51mm material: High rebound mdi polyurethane elastomers. Durometer: 75% rebound, hardness 83a. Bearings abec-9 high speed skateboard special bearing, filling with speed cream lubricants. Grip os-800 grip tape. Pac substrate, adhesive to the board stronger, hard and sharp of silicon carbide.