Speedster is designed for the highest speeds with minimal drag on hard pack or paved tracks. Its honeycomb center provides excellent traction in every condition and surface. Large diamond shaped side knobs deliver the grip you need in corners and large bowl turns. Speedster is available in a range of sizes and tread compounds to suit racers of all ages. Specifications: Tire Type: Clincher Bead: Folding Compound | Casing: TPI (Threads Per Inch): 90 TPI Puncture Protection: Sidewall Inflation: - 110 PSI Color: Black Weight: 465g (24" | 1.6")