What Does Class S Mean For Snow Tire Chains

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Question:

WHAT DOES THE CLASS S STAND FOR

asked by: RONALD F

1

Helpful Expert Reply:

Some newer cars, vans and small trucks, especially those with large, aftermarket tires, may require the use of Class S chains. Class S tire chains are designed for use on vehicles with restricted wheel well clearance. I have attached a photo that shows the areas where clearance for Class S tire chains is needed. For the A dimension a minimum of 1.46inches (37 mm) between the top of the tire tread and the wheel well is needed. For the B dimension, at least 0.59 inches (15 mm) between the tire's sidewall and the vehicle itself is required.

I have attached a helpful article that explains the differences in tire chains and a comparison chart for tire chains. I have also included a link to an article that is a snow tire chain review. This explains snow tire chains and also has a list of the states and their laws regarding snow tire chain use.

You will want to check with your owners manual to see what is recommended when considering snow tire chains.

expert reply by: Jeffrey L

1

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Sue L.

12/14/2024

Your write-up says you have attached an article, but the article is not attached. Can you email it to me? Thank you.

Reply

Kevin C.

12/14/2024

@SueL I've attach a link right below this comment that leads to all of our tire chain help articles. If you need any help picking out the right chains for your vehicle let me know the year/make/model and tire size and I'd be happy to help.

Helpful Links

article-categories.aspx?productgroup=tire-chains

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Serhiy

12/31/2024

Thanks for clear explanation.

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Answer 1

I am far from an expert on snowmobiles but one would have to think such a large truck with the correct tires and chains would be able to make it through up to 2' of snow assuming you have clearance on the vehicle. In regards to the type of tire…

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Answer 2

Twist link chains offer excellent traction in deep snow and some are even rated for mud. They provide decent traction on ice, and since they have rounded edges ride quality isn't too bad. V-Bar chains are similar but have better grip on ice. For…

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Answer 3

Hey Justin, so I checked with B and W and they only have fits that run up to 2024 BUT since we know they 2024 and 2025 trucks are unchanged in terms of gooseneck hitches we know the Turnoverball part #BWGNRK1020 is a fit and will work great.

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Answer 4

Hello Larry, thanks for reaching out, and not a stupid question at all! The fender flares are a piece of trim that is placed around the outside of the wheel well. They are usually black, but can also be colored to match the truck. The picture below…

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Answer 5

Hello Andrew, thanks for reaching out. We do offer chains that will fit the 275/65 R18 tires, but sadly we do not offer anything class S compatible. Our most low-profile chain for these tires are the Konig Tire Chains #KON94FR which require at least…

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Answer 6

You ask a very good question. Tire chains that are rated as S-Class compatible are suitable for use on passenger vehicles that have limited clearance in the wheel wells. Unlike a vehicle like a pickup truck that generally has a good bit of room…

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Answer 7

Hello Tom, We just started carrying for a brand called Caliber Inc that specializes in Snow Mobile trailer parts. I reached out to my contact Tyler there and he said that for your 1998 floe pro 100 plus snowmobile trailer the Caliber Clamp Pro…

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Answer 8

I spoke with Thule to clarify if the Thule XG-12 Chains are for off-road or on-road and my rep told me they are on-road which means they can handle pavement or gravel, but not dirt roads that require mud traction. For a similar Thule set in the same…

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Answer 9

When using a single set of tire chains on a vehicle that is 4 wheel drive or all wheel drive you want to install the chains on the primary drive axle. Typically this will be listed in the owner's manual. But for a 4WD drive vehicle the axle to…

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Answer 10

Depending on the application you could put snow chains on either just the two outside tires of your dual rear wheel axles, or you could put them on all four of the rear tires. My recommendation would be to get a set designed for dual tires. If you…

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Answer 11

To add a tonneau cover and ladder rack to your 2024 Toyota Tundra with a 6-1/2' bed you will want the following parts: Yakima OverHaul HD Adjustable Truck Bed Ladder Rack w/ Tonneau Cover Adapters item #Y01151-5955 RetraxONE XR Hard Tonneau Cover…

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Answer 12

Tire chains that have the Class S designation are designed for use on vehicles with restricted wheel well clearance. Some newer cars, vans and small trucks, especially those with large, aftermarket tires, may require the use of Class S chains. Class…

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What Does Class S Mean For Snow Tire Chains

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