Now considered a legendary tyre the race king heralded the advent of the current continental mtb tyre range irina kalentieva won two world championships on race king tyres as well as countless other wins when its dry the continental race king racesport 650b275 folding mountain bike tyre is faster cleaner and safer rolling resistance is almost on a par with race bike tyres the rs model is developed and produced in korbach germany with our best materials such as blackchili compound an