The grand prix 4000 s ii is the reference tyre in the road bike market and has gone through numerous stages of evolutionthe flagship tyre now gets a faceliftthe discreet bead strip allows us to colour coordinate the tyre to match your bike perfectly without losing the blackchili tread perfomancethe proven aspects of the 4000 s ii remain unchangedvectran breaker for unsurpassed puncture protectionblackchili compound for low rolling resistance and sensational griphandmade in germanyconstructed of