The center of the deck width is 8 & 1/2 inches in order to make the deck lighter. Concave is soft, but keeps on going all the way through the 10 inches width in feet space so grip is guaranteed in any situation.? Hammond Free Ride Star longboard is designed for free style and free ride and it has the needed stiffness and resistance to suit any rider´s weight. It´s 39 inches long and 10 inches wide, more than enough in order to provide maximum grip and control when sliding.? 9 ply maple. Length: 99.1 cm / 39\"Width: 25.4 - 21.6 cm / 10\" - 8 1/2\"Wheelbase: 76.5 cm / 30 1/8\"