29er version of continental39s legendary mtb tyre irina kalentieva won two world championships on race king tyres as well as countless other wins when it39s dry the race king is faster cleaner and safer rolling resistance is almost on a par with race bike tyres with a racesport carcass and blackchili compound the tyre is light weight and extremely grippy handmade in germany folding tyreweight 530 g for the 20 version 29er version of continental39s legendary mtb ty