From coopertire.co.uk : WEATHERMASTER S/T 2 -> Studable winter tyre - Tri-Polymer Blend Tread Compound: Specially formulated for excellent winter traction while maintaining wet and dry performance and tread wear. - Severe Snow Symbol: Marked with the severe snow symbol, the official rating for use in severe snow conditions. - S/T-Speed Rated: For speeds up to 118mph, including extra load sizes where appropriate. - Computer-Designed Random Pitch Sequence: Reduces tread related tyre noise for increased ride comfort.
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