The lack of broken and cracked sidewall rubber is due to the run-flat's rugged design. They can run 50 miles at 50 MPH with zero pressure. A conventional tire would have shown chunks of rubber missing inside. Add new comment Your name Email The content of this field is kept private and will not be shown publicly. Subject Comment About text formats Comments_filter Allowed HTML tags: <em> <strong> <cite> <blockquote cite> <ul> <ol'> <code> <li> <i> No HTML tags allowed. Lines and paragraphs break automatically. This question is for testing whether you are a human visitor and to prevent automated spam submissions.
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