5 Live Formula 1 - Austrian GP: 'Why is he on a softer tyre than me?!' - Hamilton - BBC Sounds
5 Live Formula 1 - Austrian GP: 'Why is he on a softer tyre than me?!' - Hamilton - BBC Sounds
Austrian GP: 'Why is he on a softer tyre than me?!' - Hamilton
Mercedes' Lewis Hamilton questions why team mate Nico Rosberg is using a quicker tyre
