Continental Cyclo X-King Wire Bead Tire HANDMADE IN GERMANY-Continental has been hand making their tires since 1871, maintaining the integrity of tradition, while evolving with the most advanced technology. BLACK CHILI- Features Continentals revolutionary Black Chili Compound which reduces rolling resistance by 26% improves grip by 30% and adds 5% more mileage out of your tire. NYTECHBREAKER- The new puncture protection has been developed based upon the proven Continental SafetySystem breaker. Nylon Fabric makes it resistant to punctures and cuts similar to well-known Kevlar reinforced belts, but offers lower rolling resistance and less weight. PUREGRIPCOMPOUND- Complements BlackChili, based on an active silica technology this compound provides excellent grip, is long lasting and highly durable. NYLON CARCASS- Features a smooth 180tpi Nylon Carcass, ideal for competition and training.