What technology does it use in its construction? The One comes in a choice of combinations, V-Guard casing with the Addix E compound for a lightweight, E bike optimised carcass with a high level of puncture resistance. Or the Raceguard compound Addix Performance configuration, with an intermediate level of protection against road debris, focusing on durability, performance and longevity. Available in 2 bead options, Tube Only specific model or the Tubeless (TLR) specific model.What is the intended use? Schwalbe's One is the benchmark for road tyres, designed for Road sitiuations in a range of conditions, delivering superior rolling efficicency and grip thanks to the slick tread pattern. Designed exclusively for use with an innertube.Our verdict One of the fastest road bike tyres Schwalbe has ever developed, predictable control and rolling speed while your racking up miles on big days in the saddle.