Continental tire GP 700X30 / 30-622 The Grand Prix has been developed for riders who are looking for a cost-effective tire that offers a perfect balance between puncture protection and rolling resistance. Whether for training, commuting or long-distance use, the Grand Prix is ​​the ideal companion. The 3-layer carcass construction is largely responsible for the high puncture protection and low weight. Continental's legendary Black Chili compound is used for low rolling resistance and high grip in all conditions. The Grand Prix is ​​based on technology and knowledge from the iconic Grand Prix 5000 series. It features BlackChili compound and has a three-layer construction that provides good puncture protection and rolling resistance. Whether you're training, driving to work or covering long distances – the Grand Prix is ​​there for you.