tires

tires

What does r in R15 mean?

What does r in R15 mean? The letter R means the tyre is a radial construction. Almost all new car tyres are radials. The D in 75D15 stands for diagonal or bias ply, indicating that the tire’s internal fabric layers are diagonally arranged, while the R in 75R15 stands for radial, meaning that the tire’s

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