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Winter tire tech has advanced significantly Posted by AdamB [Email]  (#3)  [Profile/Gallery]
(more from AdamB) on Tue, 4 Jan 2011 06:27:16
In Reply to: Good point on ice, Tim, Mon, 3 Jan 2011 10:35:00 Members do not see ads below this line. - Help Keep This Site Online - Signup |
in just the last 10 years, with improvements made every year to models from the top 5 brands. Also there are different types of winter tires made for different climates. For example here in Europe, two types are sold. One for climates where winters are milder and varies between wet and snow with some ice - mostly just wet and temperatures around 5-10 Celcius (ContiWinterContact TS830 or Goodyear Ultra Grip 7+) for example. The second type is for northern Scandinavia where winters are freezing all the time with constant snow or ice (ContiVikingContact 5, Goodyear Ultra Grip Ice+).
Modern tires of both types are massively better on ice and snow than "all-seasons" and summer tires without wearing out particularly fast, but the first type is more optimized for wet road (and thus is slightly less capable on ice&snow) than the second type and actually rivals even "all seasons" in wet & to some degree dry conditions.
I use tires of the first type because winters generally are mild here in Denmark, though it's practically been constant snow and ice this year. I usually get at least 2 winters out of the tires before they are 50% worn and they perform fine until worn about ~70%.
On the better tires the compound actually changes to higher friction with better performance as the sipes are worn down...
As for studded vs. non-studded, the norwegian motoring association did a thorough test which showed that from new the studded were of course better on ice, but when both worn about 50%, the non-studded actually had better traction on ice.
, Tue, 4 Jan 2011 09:20:59, Mon, 3 Jan 2011 07:02:49, Tue, 4 Jan 2011 06:30:25, Tue, 4 Jan 2011 06:27:16 <-- Viewing This Message, Mon, 3 Jan 2011 06:59:54
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