The Specialized S-Works Turbo 2 Bliss Ready tyre sets the standard for how a modern day performance road tyre should be. Its fast, light, & supple, making it not only the fastest tire Specialized have ever made, but also the fastest tyre in the world. It features extremely low rolling resistance & superior cornering traction. As a 2 Bliss Ready tyre you can run the S-Works Turbo either with a standard tube or as part of a tubeless setup which will allow you o run lower pressures for more grip & traction, while all but eliminating the risk of pinch flats. So no matter if youre climbing with the best of them or descending like a rider possessed, this is the tire for anyone who demands nothing short of the best. Whether you are racing, trying to keep up with the fast group on your local club rides, or just like going fast, the Specialized S-Works Turbo tyres are as good as it gets. Casing: 120 TPI Bead: foldable Butyl wrapped bead = 2 Bliss Ready Compound: GRIPTON Flat Protection: Black Belt 700 x 28mm; PSI 85-95; approximate weight 285g