Continental Grand Prix 5000 Tire - 700 x 28, Clincher, Folding, Black, BlackChili, Vectran Breaker, LazerGrip, ACTThe Grand Prix 5000 allrounder tire brought to a performance level. Ride faster, more comfortable and with increased puncture protection. Vectran Breaker is spun from liquid crystal polymer to create a multiple thread thermoplastic yarn. This partially crystalline fabric is more cut resistant than aramid and its tensile strength is five times higher than that of steel. A Vectran Breaker is lighter, more flexible and effective against cuts than a