The Continental Ultra Sport III Road Bike Tire is a modern tire for those new to road cycling. Completely renewed design sporting a dynamic tread pattern and construction to enhance ride qualities. Fast rolling tire ready to handle a wide range of road riding conditions. PureGrip Compound is derived from an activated Silica compound to do exactly what it says; offer exceptionally good grip and durability. This mixture technology fits in perfectly alongside the BlackChili Compound. E25 e-bike rating features a high-quality structure with puncture protection to reduce premature wear brought about by the additional driving force. Matches well with your favorite race or classic city road bike.