PURPOSE: A run-flat tire is provided to improve the durability by dispersing and reducing the deformation concentrating in the reinforcing rubber for reinforcing a sidewall portion.;CONSTITUTION: A run-flat tire comprises a reinforcing layer(32). The reinforcing layer comprises an inside reinforcing layer(33) and an outside reinforcing layer(34). The inside reinforcing layer is formed between the inner side of a carcass ply and the inner liner. The outside reinforcing layer is formed between sidewall rubber layers in the outside of the carcass fly. The outside reinforcing layer comprises an outside reinforcing rubber layer(34b) and a code reinforcing layer(34a). The outside reinforcing rubber layer is formed in order to be contacted with the sidewall rubber layer. The code reinforcing layer is stacked in the outside reinforcing rubber layer in order to be contacted with the carcass ply.;COPYRIGHT KIPO 2012
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