Landyachtz Top Speed 34 Longboard Deck - 9.35x34.5 Landyachtz Top Speed 34 Longboard Deck 9.35x34.5. All new for 2013 and developed with extensive rider feedback, the Top Speed features a complex 3D molded maple core, sandwiched between fiberglass and composite plies. Rocker and W-concave keep the rider confidently placed on the platform, while fendered wheels wells add wheel clearance and provide more leverage on the rail.