This is probably the most popular method of lowering the center of gravity on a longboard. The Drop Through shapes have high stability while retaining much of the responsiveness of a topmount. These boards have incredible traction, speed, and slide ability. Board measures 9" Wide x 36" long with a 25.5" wheelbase. Maple 9" x 36" DropThru Deck. 8-Ply Custom Canadian Maple / Drop Shape. 180mm Reverse Kingpin Longboard Trucks. Top Rated Design Longboard Trucks. Quick Turning, Responsive, Fixed Axle - Color May Vary! 70mm Wheels 78a Hardness, Ideal for Turning and Sliding. 51mm Contact Patch - Color May Vary! Abec 7 Bearings, Oiled, Serviceable, Smooth. Black Diamond Griptape.