Schwalbe x one all round performance cx tyrethe schwalbe x one all round performance cx tyre features an excellent tread profile for superior grip both on and off road the lightweight casing and dual rubber compound make the schwalbe x one all round one of the fastest cx tyres ever made features bead folding casing liteskin compound dual pressure 45 to 70psi weight 350gtechnologies performance lineschwalbe performance line tyres are excellent quality for intensive use they are the bes