The turbo sets the standard for how a performance road tyre should perform fast light and supple the turbo exceeds the demands of competitive road riders extremely low rolling resistance and superior cornering traction lets you climb easily descend quickly and corner aggressivelycasing 320 tpi polycottonbead foldablecompound griptonflat protection blackbelt700 x 24 psi 100 125700 x 26 psi 100 125