Vee Tire Co. Speed Booster 20x1.50 Folding Bead Tire . Also used on folding bikes and kid's bikes. For BMX racers who demand lightweight, and better corning stability. Speedbooster’s tread pattern cuts down on drag and saves precious seconds in race conditions. The low-profile pattern and cutting edge LSG+ compound are a race-winning formula. The LSG+ Compound (low specific gravity compound) with a 66a durometer hardness provides ultimate speed and stability in those high-stakes race and competition environments. Vee Rubber Brand Size: 20x1.50 Tread Pattern: Speed Booster with LSG+ Compound 90 TPI Casing Folding Bead Weight: 320g Does Not Include Rim Ships FAST and FREE from Florida, USA!