The Contact Speed unites speed and comfort in one tire, making it the perfect choice for the city speedsters, single-speed bikes and fitness bikes. With its double layer of fabric breaker, the light-weight design and its roughened slick tread, it shines especially on pavement. Reliable puncture protection, good grip and light-weight design. The SafetySystem Breaker is made up of Kevlar reinforced, high-strength nylon fabric. Puncture and cut-resistant but nevertheless light and flexible, the tire adjusts quickly to the surface below. Without raising the weight or rolling resistance noticeably, it protects the carcass against foreign objects and contributes to a longer lifespan of the tire. Tires with the SafetySystem Breaker also provide good comfort properties. E25 e-bike rating features a high quality structure with puncture protection to reduce premature wear brought about by the additional driving force.