The ultimate BMX racing tyre, the Tioga Power Block BMX Race Tyre is designed to efficiently transfer pedal power and other rider inputs into lateral motion. In short, youll roll faster with less wasted energy. The Tioga Powerblock features a steel bead with a thicker, stronger sidewall. The standard Power Block strikes the sacred equilibrium between performance and value. A specially designed texture pattern, strategically applied to the sidewall adds abrasion protection without sacrificing casing suppleness and distinct 3-stage tread zones are what truly sets it apart.