Sidewall – Runflat

Condition of damage

Normally, the tire sidewall is severely damaged as in the picture shown on the right. In the case of bias tires(cross-ply tires), the inner carcass cords may separate and may be exposed on the surface


1. Continuous running after puncture

2. Excessive underinflation(close to a flat condition)


Stop to use the damaged tire

1. Stop the vehicles as soon as a flat tire is aware of, and change the flat tire to spare tire immediately

2. Check air pressure frequently

3. Check any nails imbedded in tread or other external damage frequently