Darkstar Grindstone Red DS40 Series Complete Skateboard, 31 x 7.75-Inch 31 x 7.75" improved deck shape with 9ply mixed maple Deeper pro concave with double kicktail 80s fine black grip tape with printed logo 5" Darkstar aluminum polished finish trucks and 90a bushings with a standard kingpin 54mm x 34mm, 97a injected polyurethane wheels