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ray benson

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What Is the 3-Peak Mountain Snowflake Symbol?
The 3-Peak Mountain Snowflake Symbol (3PMS for short) is a six-pointed snowflake inside a three-peak mountain, found on tires that meet specific standards. They signify the tire has been tested for acceleration on medium-packed snow. Braking and turning don’t factor into the testing.

Tires with the 3PMS symbol have scored at least 110 on the traction index. This means they accelerate at least 10 percent faster than a typical all-season tire that isn’t 3PMS rated. (There are all-season tires that have the 3PMS designation.)

The U.S. Tire Manufacturers Association and the Tire and Rubber Association of Canada developed the 3PMS symbol in 1999. Tire manufacturers are required to meet the standards for the 3PMS symbol in the U.S., Canada and Europe.

Tires with the 3PMS are typically made of a softer rubber that won’t harden in sub-freezing temperatures. These tires also have a particular type of tiny cut across their surface called siping. This improves traction on snow and ice.
Are Some Cars Required To Have 3PMS Tires?
In British Columbia and Quebec, drivers must have 3PMS tires on their cars from December to March. Colorado also enforces a traction law during winter storms that requires drivers to use tires with a tread depth of at least 3-1/16-in. and the 3PMS symbol.

Who Makes Tires With the 3PMS Symbol?
Manufacturers that make 3PMS tires include Goodyear, Michelin, Hankook, Cooper, Nokian, Toyo, BF Goodrich, Yokohama, Kumho, Nitto and Vredestein.
 

41FanForLife

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Stands for 3 peak mountain snowflake. They are supposed to be better in snow than standard M+S rated tires. The tires will have a little symbol on the sidewall that looks like this-
View attachment 361011
None of that chit on the gramps mobile
 
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