Continental Grand Prix GT Folding Tyre - Styled on the Grand Prix, but with 50% extra sidewall thickness - PolyX Breaker? anti puncture extra wide layer beneath tread - Black Chili performance compound - Combines reliability and performance to create an ideal fast sportive tyre One for the 'Grand Tours' If you like the reliability of Gatorskins but also want the performance of a GP4000S BlackChili compound, then this could be the tyre for you! Ideally suited to sportive riders, the secret is in the design: An extra-wide PolyX Breaker protects against thorns, glass and other sharp objects whilst a continuous 3 ply casing gives 50% more sidewall thickness without adding much weight. These features earn the endorsment GT (Grand Tour), earmarking the tyre for sportives, marathons and multi-day events. Black Chili compound and the tried and tested Grand Prix profile offer outstanding grip and handling characteristics.