F1 Streetuburners are a true flatspot resistant urethane that don't sacrafice the slide when you want it. The Spitfire F1 Streetburner Kennedy Trunk Kush Swirl Wheels are formulated to withstand any street terrain. A Cory Kennedy signature wheel. Pro Edition. None faster! 100DU. White wheel with graphics at one side. Sizes available as seen below. Wheels sold in set of four.