The continental grand prix 4000s ii 700c coloured side wall clincher folding road tyre is the reference tyre in the road bike market and has gone through numerous stages of evolution continentals flagship tyre just got a facelift the discreet bead strip allows conti to colour coordinate the tyre to match your bike perfectly without losing the blackchili tread performance conti have kept the vectran breaker for unsurpassed puncture protection plus with advanced blackchili compound for low rol