The Grand Prix 4-Season is a reliable companion for training rides and in competition, come rain or shine, featuring superior durability that's ready for any season.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 comparable nylon breaker, without affecting rolling resistanceDuraskin provides a cut-resistant layer from bead to beadDesigned to wear longer and offer improved traction in harsh conditions and lower temperaturesItem SpecificationsColorBlackDefined ColorBlackFlat ProtectionTread and SidewallISO Diameter622 / Road / 29"ISO Width (mm)28Labeled Size700 x 28PSI115Tire BeadFoldingTire Diameter700cTire Intended UseRoadTire TypeClincherTPI240Weight260 Continental Grand Prix 4-Season Tire Tires EAN: 4019238674620