Continental x king mtb tyre racesportthe all rounder x king pronounced cross king designed for xc and marathon use with speed as the main priority developed in conjunction with the topeak ergon professional mtb team who have now already recorded many race wins on what they call the perfect race day tyre the cleverly designed tread pattern provides ample traction yet almost the rolling sensation of a much slicker tyre giving you a seriously fast tyre option no matter what the event or w