Schwalbe x one all round evo cyclocross tyrethe schwalbe x one all round evo cyclocross tyre features an excellent tread profile for superior grip both on and off road the lightweight casing and onestar rubber compound make the schwalbe x one all round one of the fastest cx tyres ever made features bead folding casing liteskin compound onestar pressure 40 to 70psi weight 380gtechnologies evo lineschwalbe evo line tyres are made using the highest grade materials to the very best possibl