28 x 1.75 (622-47) PUNCTURE PROOF RUBENA WALRUS V41 STOP THORN TYRES SALE. · RUBENA WALRUS STOP THORN TYRES PROVIDE OPTIMAL PROTECTION AGAINST PUNCTURES. · PUNCTURE RESISTANCE SYSTEM. · THESE HAVE AN APPROX 3mm THICK LAYER BETWEEN CARCASS AND TREAD OUTER, PREVENTING THE MAJORITY OF ABRASIONS AND PUNCTURES BY SHARP OBJECTS DURING STANDARD USEAGE.
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