They're round, they're black, they keep you on the track. Tyres are one of the most important parts of a Formula 1 car, but getting the best performance from them requires tireless work from drivers, teams and engineers.

Three tyre experts join Katie and Christian to explain all you need to know about F1 tyres:

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For in-depth interviews with F1's biggest names, listen to F1 Beyond The Grid. For race previews and reviews, head over to F1 Nation.