The TM-39 is a great top mount board made for speed. This board is made from maple and arborite, has great concave and wheel wells to allow for larger radius racing wheels. This board gives you the leverage you need to corner at speed.

Length: 39.5"
Width: 10"
Wheelbase: 31.25" adjustable to 32"
Concave
Wheelwells
Maple/Arborite
Flex: Stiff