Madrid Wiki Wiki Longboard Skateboard - Black 15mm birch and has wheel cutouts, graphics on the topside, and clear roll-on grip. 46" long, 9 1/2" wide, 5 1/4" nose, 6 1/2" tail, with a 30 1/8" wheelbase. The wheels are 65mm diameter and 78a durometer. ABEC 3 bearings Riser pads, and phillips hardware.