The continental x king pro 26 folding tyre is a super fast nevertheless with a good grip the x king was developed with the topeak ergon mountain bike professional team despite pronounced studs the x king rolls off smoothly and very quietly no matter if you are on your own or in a team with race and mountain king the super light x king easily covers many uses ranging from cross countryrace to all mountain the x king simply leaves its competitors behind its black chili compound offers