Continental speed king ii mtb tyre racesportthe king of the xc world cup the speedking was developed to tackle hard dry terrain where only one thing counts speed the semi slick profile offers minimal rolling resistance and weight the lightly raised outer lugs provide enough grip to maintain good speeds when cornering and the centre area is made up of flat wedge shaped lugs which whilst keeping the rolling resistance low still provide drive when needed the large 22 racesport carcass offer