Loaded Dervish Sama Complete Longboard from Loaded Carving Systems. With 76mm wheels and a lower center of gravity and a torsionally stiff design, the Dervishes are built to hold an edge and maximize energy return. A drop-thru carver designed to work with most reverse kingpin 180mm Trucks & 70mm+ wheels. The Dervish was designed and intended for speeds between 0 and 30 mph (0-50km/hr). You can take the board faster with skill and experience, but it is not intended for higher speeds due to its flex characteristics.