CONTINENTAL GRAND PRIX 5000S TUBELESS READY TYRE – FOLDABLE BLAC KCHILI COMPOUND 700 x 28. CONTINENTAL GRAND PRIX 5000S TUBELESS READY TYRE – FOLDABLE BLACKCHILI COMPOUND. The new Grand Prix 5000 S Tubeless Ready: Lighter, faster and with stronger sidewalls. The new standard in road tubeless ready technology. Ride faster, more comfortable and with increased puncture protection. Made to make you better. Black/Black foldable, Black/Transparent foldable.