Onda Motion Vibe Skateboard Deck - High strength fiberglass polymer blend with impact modifier additive for performance, great for riders up to 170 lbs. Trucks -Copolymer reinforced body with chrome-plated, heat-treated steel alloy shafts for extra strength Wheels - Copolymer rim and 80A polyurethane tires with flat profile surface and sharp edges - 140mm x 30mm Torsion Shocks - Comes standard with 4 blue polyurethane torsion shocks included