The Continental Grand Prix 5000 Road Tire is a great all-around tire that gives you puncture protection, comfortable ride qualities, and without sacrificing speed. The Black Chili compound gives one the best balance of grip and rolling resistance for cycling. Patented Vectran puncture protection makes for top puncture resistance and extremely low weight. Lazer Grip enhances cornering ability. Active Comfort Technology absorbs vibrations for a smooth comfortable ride. Lazer Grip: the lasered micro profile structure expands over the tire's shoulder and provides outstanding cornering Vectran Breaker: Spider silk-like Vectran puncture protection has an enormous tear resistance at a very low weight Active Comfort Technology absorbs vibrations for a smooth and comfortable ride. Handmade in Germany Transparent sidewall Specs: Size: 700x28c Bead: Folding Type: Clincher