The turbo cotton tyre 700c from specialized is a road performance tyre setting a new standard for the level how road tyres should perform the turbo has been designed to exceed the demands of competitive road riders by being fast light and supple the extremely low rolling resistance and superior cornering traction lets you climb easily descend quickly and corner aggressively this model comes with a 320tpi polycotton casing making a much more supple ride available in black with yellow sidew