Ferrari and Mercedes diverge slightly on US tyres
Formula 1 world championship rivals Mercedes and Ferrari have opted for marginally different choices for the United States Grand Prix.
Pirelli has made the soft, super-soft and ultra-soft tyres available for the Austin race, which is one step softer than last year.
While Mercedes and Ferrari have chosen seven sets of the ultra-soft tyre for each of their drivers, Ferrari has favoured more of the super-softs.
That leaves Raikkonen with just one set of softs, while Vettel and Bottas have two sets and championship leader Hamilton three.
United States Grand Prix tyre choices