Vittoria corsa cx tubular road bike tyrecorsa cx is the worlds best known and most used cotton tires tubular the choice of champions exclusive to vittoria the 320 tpi corespun casing confers a uniquely supple ride and exquisite handling features provenly the fastest all round racing tubular available special tread compound for supreme grip in corners fitted by more pro race teams than any other tubular tpi320 weight245g 21c 250g 23c 255g 25cbuyvittoria tyresfrom chain reaction