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The small change that will be F1 2021's big talking point

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As focus sharpens for Formula 1 teams on the new, yet familiar, 2021 cars there is a growing understanding that this year one minor rule tweak will actually create a major challenge

When Formula 1 teams signed off on some detail tweaks to the floor dimensions for 2021 in a bid to cut back on downforce, it did not generate a tremendous amount of fanfare.

It was hardly a surprise, though. For what initially appeared to be quite small dimension tweaks - barely 10cm of floor area being removed ahead of the rear tyre - the difference is pretty much indistinguishable on television or from trackside.

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