…identify tires that met the severe snow service standards and would be branded on their sidewalls with a three-peak mountain snowflake (3PMSF) symbol. In addition to tire chains, winter tires meeting this performance standard are also considered traction devices, allowing passage in many mountainous…
…and tire fitments. Unlike snow chains, AutoSock does not produce loud rattling nor a bumpy ride. AutoSock does not damage the vehicle structure or alloy wheels and is approved for speeds up to 30 mph (50km/h). Because AutoSock is meant as a temporary emergency traction device, it is recommended that…
…a tire that offered a higher level of traction in harsh winter conditions. Tires were now to be branded with the mountain/snowflake symbol. In addition to tire chains, winter / snow tires meeting this performance standard are considered traction devices, allowing drivers to get through the passes.…
The mountain/snowflake symbol branding on a tire sidewall lets us know, at a glance, the tire is really good in the snow. Some Alpine passes require a traction device such as chains to get through when winter is at it's worst. Tires with the mountain/snowflake symbol allow you to pass through as…
…the tire's grooves. If the water can't escape fast enough, your vehicle's tires will be forced to hydroplane (float) on top of the water, losing traction and increasing stopping distances. It costs a little more to use a coin to test for 4/32". Take a quarter; insert George Washington’s…
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