What technology does it use in its construction? The Road Cruiser comes off the shelf equipped with Schwalbe's K-Guard casing offering an intermediate level of puncture protection from the natural rubber insert under thead. A choice of either the SBC (Schwalbe Basic Compound) or the Green Compound is availble, made from renewable and recycled materials offering good peformance characteristics across a multitude of surfaces.What is the intended use? Better suited toward the City and Touring disciplines, the Road Cruiser excels in the urban enviroment offering low rolling resistance and good all round grip on road and some unpaved surfaces, whilst available in a selection of colour options.Our verdict A well rounded Urban tyre with well balanced characteristics and manufactured using enviromentally friendly materials.