The Spitfire F1 Streetburner Bighead New Wave Wheels are a true flatspot resistant urethane that don't sacrifice the slide when you want it. Formulated to withstand any street terrain. Bighead Edition. Survive the slide. None faster. 100DU. Available in colorways as seen below. Colors are limited to specific size. See colors below for correlating size. Sizes available as seen below. Wheels sold in set of four.