Continental giro tubular road bike tyrecontinentals tubular tyre the giro is a smooth yet robust tubular tyre used in competition and training this tubular tyre excels in fast dry conditions quick and easy to fit tubular tyrethis continental giro tubular tyre is quick and easy to fit allowing you to get on the road and enjoy the smoother rolling performance over traditional clincher tyres this tubular tyre features a removable valve core which allows you to fit an extension if required