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Radial tire is a kind of tire structure different from bias tire, arch tire and pressure regulating tire. The international code name of radial tire is "R", commonly known as "steel tire".
Nylon tires, that is, bias tires, are the opposite of radial tires. The carcass ply consists of several rubber-coated plies, and the cord angles of adjacent plies are the same. It is a kind of pneumatic tire with traditional structure, which has a long history of use and a wide range of applications.