The Ultra Sport III is a modern tire for those new to road cycling. Completely renewed design sporting a dynamic tread pattern and construction to enhance ride qualities. Matches well with your favorite race or classic city road bike. - 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 - E25 e-bike rating features a high quality structure with puncture protection to reduce premature wear brought about by the additional driving force