The XWX, was the only radial tyre that could be fitted on the fastest cars in the world in the 1970s. It provided these high peformance vehicles with exceptional road holding and remarkable grip. A construction designed to reach 300km/h ( 186 mp/h ). The special features of the XWX ensure that it delivers outstanding parformance, combining speed, driving pleasure and safety. The original design of its internal construction, together with it's flexible carcass, give exceptional comfort when travelling at very high speeds. As it is a VR category tyre, the XWX is now homologated for use at a maximum speed of 270 km/h ( 167 mph ).