Clincher version of the world's best-known and most-used tubular provenly the fastest all-round racing tire available. Exceptional grip, comfort and speed make these products the number one choice for the professionals. The family of cotton tires benefits from casing with 320 TPI threads-per-inch that's one of a kind in terms of flexibility and lightness, from a tread that's the result of millions of km in races around the world and from new, even better performance lightweight puncture protection, offering 40% better than ever before. The full range of cotton tires features the new ISOgrip compound for yet more grip and safety. Vittoria has a long tradition of success its tubulars and treads have won the greatest number of races in history. IsoGrip compound 320 TPI 210g Clincher version