Goodbye five lug nuts per wheel: NASCAR moving to a single wheel hub on 2021 Cup car

[ASFN Admin]

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Tire changes are getting a lot quicker in the NASCAR Cup Series. NASCAR said Monday that the 2021 Cup Series car will have a single lug nut hub on each wheel instead of the five studs for lug nuts on each wheel that are on the current cars. That means tire changes will be much more efficient next season.

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