An apparatus for testing a tire is disclosed, the tire having opposed sidewalls joined together by a crown section, the crown section having an inner surface (228) and an outer surface. The apparatus (10) comprises a support frame (20) and first and second rollers (40, 50) connected to the support frame (20) and arranged to support a crown portion of the tire; a probe (100) having a support bracket for receiving a section of chains or a section of chainmail (160) therein, the section of chains comprising a plurality of a first chain members extending in a first direction, wherein each first chain member is in contact with at least one cross chain member, wherein the section of chains or the section of chainmail (160) is configured for being positioned in the tire and in electrical communication with a first electrode (110) and wherein one of said rollers (40, 50) is configured as a second electrode; and a power supply in electrical communication with the first and second electrode in order to create an electric potential between the first and second electrode.
