This is a pair of Prism 2.0 2.2" 4WD Front Carpet Buggy Tires. The Prism 2.0 features a new carcass shape that provides more steering in low speed corners and more forgiveness and stability at high speeds. The second-generation Prism features the same iconic hook shaped pins combined with Prism shaped pins for incredible forward grip. Z3 (Medium) and Z4 (Soft) compounds have been developed specifically for the needs of Indoor Carpet racing. The Prism 2.0 4WD Front tire perfectly pairs with Pro-Line's Prism Rear tire for ideal carpet racing performance.