Speed Demons 39 Series 31" Complete Skateboard Complete 31-in. skateboard with a thick, durable 9-ply maple wood deck and rounded edges Double kicktail design provides greater control, allows for wide range of tricks, and easy braking 53mm x 29mm polyurethane-injected wheels with traction grooves and carbon steel ABEC-3 bearings deliver a smooth ride Heavy duty 5-in. aluminum trucks and polyurethane-injected bushings support higher weight and faster speed Recommended for ages 8 years and older, supports weight up to 220 lbs.