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:

F1 Explains tackles a different F1 topic every week. Check out our previous episodes using the links below:

The 2024 F1 calendar - why it helps make F1 more sustainable

Wind Tunnels - the top secret tools where cars are created

Race engineers - the voices on F1 Team Radio

Pit stops - two seconds of total teamwork

Simulators with Aston Martin's Stoffel Vandoorne

Racing in the rain with Mika Hakkinen + Haas race engineer Mark Slade

Street circuits with Mika Hakkinen + Bernie Collins

F1 driver fitness with Alexander Rossi + Sebastian Vettel's former trainer

F1 in the USA - why the US has 3 races in 2023

F1 Sprint weekends with Haas driver Kevin Magnussen

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.