Tioga Black 20x1.11/8" Powerblock S-Spec 20"

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