Top mount speed board. This deck has a flat base with a deep concave for leverage in the turns. It is a 15 ply baltic birch deck for a stiff stable ride. With Randal DH trucks up to an 83mm flywheels can be used. The deck has a 6" flat base then 11/16 of concave.
This board was designed by Sean Carroll (The Green Hornet)

Length: 40"
Width: 10.5"
Wheelbase: 30.75"