Have had three winters on Ice-X tires on two VW TDIs (4 each) which alternate with Defenders in the summer; =16 wheels. All are great performers, tough, safe and reliable. Northern Ontario roads put the Ice-X to the test- and they pass with honours. However, where sand is present, as is often the case, the "micro-pumps"fill and become non-functional. Still a great tire, but I wonder about this shortcoming in design. I'd grant a higher rating if all the micro-pumps would clear. Am now applying 4 more new Ice-x to a recently acquired TDI.
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