The MotoSport.com Metzeler Sportec 01 RS Tire Combo includes ONE Front and ONE Rear Sportec 01 RS tire with the following features: Sportec™ 01 RS Tire. The sharpest evolution of SPORTEC™ 01 for riders demanding highest level of grip on the road. Enriched road racing expertise delivering Metzeler high performance on road and track. High-contrast sidewall design that elevates the tires character. Features Dynatread™, the adaptive tread design technology.