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Original tyre covers have built in drawing of a protector deterioration indicators to define, when it is necessary to replace tyre covers. These indicators are shown by a strip in width of 12 mm (0,47 inches) when depth of drawing of a protector grinds off to 1,6 mm (0,063 inches). When the deterioration indicator will appear in 3 or more flutes, in six places, it is recommended to replace tyre covers. |