Long-lasting single compound Narrow profile for low weight Slick design for 26″ MTB wheels Street, road only Even the pros can’t always travel with two bikes, yet training on the road is one of the best ways to condition for an off-road race. Make your MTB perform double duty with the Xenith 1.5. The narrow casing makes the Xenith extremely responsive and the slick tread rolls fast and grips any type of pavement.