These tubulars, developed in collaboration with the Australian National Track team and the World Cycling Centre athletes, are the answer for world championship-level track racing. Available in two sizes and with two tread options CS, with a slight diamond pattern, and CL, completely slick to adapt to indoor or outdoor tracks, these products share the same Corespun T casing specific for track applications and the Kevlar SiO2 3D Compound. The careful weight-saving process has led to excellent results 150g for the 22mm section and just 135g for 19mm one! And all this is joined with Vittoria high quality and safety standards, resulting in a tubular really born to win. Tire Size 28in 700c x 19in/ 28in x 22 Approx. Weight 135g/150g Pressure Range 140-215psi