What Makes a Tire Chain a Class S

Updated 11/18/2014 | Published 11/17/2014

Question:

Not Class S Compatible what does this mean - re chains? thanks

asked by: Paul L

Expert Reply:

Class S is the Society of Automotive Engineers' definition of the least amount of space that should be provided around the drive tires of any vehicle to accommodate the use of a winter traction device.

A Class S tire chain meets this standard and is designed for use on vehicles with restricted wheel well clearance and are typically smaller in design. Certain newer cars, vans and small trucks, especially those with large, aftermarket tires, may require the use of Class S chains.

Not Class S compatible tire chains do not meet this standard.

I recommend checking your owner's manual to determine if a Class S tire chain is required.

expert reply by: Leah S