Low profile race tire with ultra-smooth centerline and pressure sensitive side tread that increases corner traction when pushed to the limitsSpecial chemical surface etching applied to center tread creates fine surface texture that enhance traction on wider variety of track surfacesNano knobs in varying angles, shapes, and sizes strategically integrated within the outer tread zones provide additionaltraction on track surfaces with loose fine grainsMinimal rolling resistance without negatively affecting corner gripStandard20x1.85406WireBk/Blk85120NoUPC/EAN/GTIN: 840511037207