Why is the tread depth for new tires set at 10/32″? Why can’t it be 20/32″ for example to last much longer? eli5
In: 113
The closest thing to what you’re describing is a regroovable tire. You will usually see this on work trucks and trailers that put on a lot of mileage. When the tire is worn down enough, they put it on a machine that cuts new tread into it.
You can’t do this with the tire on your car, because the rubber isn’t thick enough.
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