The Challenge Criterium Ultra S Tyre 700x25c Black Cream is the perfect choice for road cyclists who demand high performance and durability. This tubular tyre is part of the Ultra series, which means it is designed to provide maximum speed and grip on the road. The tyre is made from sealed corespun cotton composite, which ensures excellent puncture resistance and durability.The casing of the Challenge Criterium Ultra S Tyre is made from 1000+ tpi, which means it is incredibly strong and durable. The tyre is also equipped with the Puncture Protection System (PPS), which provides an extra layer of protection against punctures and cuts. This makes it an ideal choice for cyclists who want to ride with confidence and peace of mind.The Challenge Criterium Ultra S Tyre 700x25c Black Cream has a maximum pressure of 5 - 7 bar, which means it can handle high speeds and provide excellent grip on the road. The tyre is also lightweight, weighing in at just 270g, which makes it easy to handle and manoeuvre. Overall, this tyre is an excellent choice for road cyclists who want a high-performance tyre that is both durable and reliable.