700c, 27-Inch & 650c

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. - Designed to wear longer and offer improved traction in harsh conditions and lower temperatures - 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 resistance - Duraskin provides a cut-resistant layer from bead to bead

The Grand Prix 5000 All Season TR tires are ready to go the extra mile, providing confidence in all weather conditions and boosts your protection for a trusted ride. - Tubeless ready (TR) carcass construction is robust and impervious against damage and penetration from foreign objects - 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 resistance - Lazer Grip, to make you one with the road. The lazered micro profile structure expands over the tire’s shoulder and provides outstanding cornering - Black Chili Compound features special synthetic rubbers combined with proven natural rubber to high-performance tread mixtures, to optimize rolling properties and grip

The Ride Tour is a loyal companion on your regular rides. Pavement, gravel and the urban environment - its the right tire for your daily rides thanks to robust puncture protection and an additional rubber layer for high milage. - Has all the features a true touring tire should have at a top quality level - a tread for all road surfaces, good puncture protection and high mileage performance - Extra Puncture Belt features a rugged rubber breaker, combined with the rubber-reinforced sidewalls of the tire to ensure a high level of puncture protection and sidewall abrasion - E25 e-bike rating features a high quality structure with puncture protection to reduce premature wear brought about by the additional driving force