A swelling in the sidewall of the tyre indicates that the substructure of the carcass has been damaged. |
Typical causes for such damage include, for example, driving over kerbs at a sharp angle. |
Pinching the tyre in this way can damage the carcass. |
The substructure of the tyre is stretched so far that individual fibres in the carcass may be broken. |
The extent of the damage depends on the speed of impact, the angle of impact, the inflation pressure, the axle load and the type of obstacle. |
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