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
It’s 10/32 because that is the ratio they have found works the most economically. More tread depth would mean adding more weight to to tire or reworking the tire build entirely to accomplish it. They’ve already done about a million tests to determine the least amount of material they can use and still get a ridiculously safe product. The standards for automotive safety are pretty high these days and the specs required are extensive.
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