Tioga PowerBlock S-Spec Tire: 20x1-1/8 Folding Bead

The ultimate BMX racing tyre, the PowerBlock is designed to efficiently transfer pedal power and other rider inputs into lateral motion. In short, youll roll faster with less wasted energy. The S-Spec version utilises Tiogas thinnest sidewall for maximum suppleness and weight savings. Size for size, the PowerBlock S-Spec are the lightest BMX tyres in the world.