What is the Difference Between Radial and Bias Ply Tires?

Radial tires' steel belts dissipated heat better. The second problem is that bias-ply tires have a very stiff sidewall due to the fact that all the plies run from sidewall to sidewall. Because radial tires have fewer layers of body cords on the sidewall, the sidewalls allow the tire to flex more.

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