Complete Kryptonics 36 inch longboard, completely assembled and ready to ride. Smooth ride poured urethane wheels and ABEC-5 bearings. Established in 1965, Kryptonics™ is one of the most authentic brands in skateboarding and still remains an innovating force in the industry today. Kryptonics™ changed the game in 1976 by developing the first urethane skateboard wheel, and the innovation hasn’t stopped since. Kryptonics™ now dominates the market with a lineup of complete skateboards - including cruisers, longboards, standard 31 in skatepark models and retro poly plastic “torpedo" boards.