Continental Speed Ride Urban Bicycle Tire - Folding PUNCTURE PROTECTION- This Butyl breaker blends with rubber reinforced sidewalls to deliver high puncture and wear protection. SEMI SLICK- Ensures easy rolling speed when riding through town or country. COMES IN WIRE BEAD OR FOLDING DIAMOND MIDSECTION- The midsection offers excellent grip while the outer knobs give lateral support when it matters. VERSATILE AT ALL TIMES- The diamond semi slick bridges the gap between a jaunt around town and cornering in the park.