1. Tire Chains
  2. Pewag
  3. On Road Only
  4. Drape Over Tire - Make Connections
  5. Steel Square Link
  6. Chains - Diamond
Pewag Servo RS Self-Tensioning Snow Tire Chains - 1 Pair

Pewag Servo RS Self-Tensioning Snow Tire Chains - 1 Pair

Item # PWRS76
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Our Price: $205.13
Tire Chains

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PWRS76 - Rim Protection Pewag Chains - Diamond
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With their square links and diagonal pattern, these easy-to-install, self-tensioning, alloy steel chains offer superior traction and a smooth ride. Specially designed for vehicles with limited wheel well clearance. Lowest Prices for the best tire chains from Pewag. Pewag Servo RS Self-Tensioning Snow Tire Chains - 1 Pair part number PWRS76 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
  • All Info
  • Reviews (20)
  • Q & A (3)
  • Videos (1)
  • Photos
  • Why etrailer?

Pewag Tire Chains - PWRS76

  • Pewag
  • On Road Only
  • Drape Over Tire - Make Connections
  • Steel Square Link
  • Chains - Diamond
  • Rim Protection
  • Automatic
  • Class S Compatible
  • Quick Release

With their square links and diagonal pattern, these easy-to-install, self-tensioning, alloy steel chains offer superior traction and a smooth ride. Specially designed for vehicles with limited wheel well clearance.


  • Patented tensioning system self-tightens during installation - no manual tensioning needed
    • Simply make the required connections and engage the ratcheting servo device to perfectly fit each chain
  • TITANGrip steel wears well and provides excellent durability
    • Titanium alloy steel construction is strong and corrosion resistant
  • Diagonal pattern delivers a smooth ride
  • Square links offer superior grip and traction
  • Plastic bumpers provide rim protection - no scuffs or scratches
  • Low-profile design is perfect for passenger cars with limited clearance in the wheel well
    • SAE Class S tire chains
  • Convenient fit - works on both front- and rear-wheel-drive vehicles
  • Superior European construction


  • Fits: 14" - 19" tires (for exact sizes, see below)
  • Link thickness: 3.2 mm
  • Quantity: 2 chains
  • 90-Day warranty

Note: Consult your owner's manual to determine whether or not snow chains can be used on your vehicle.

Pewag Servo RS Installation Instructions

How to Install Pewag Servo RS Snow Chains

  1. Spread the chain around the back of the tire.
  2. Connect the cable on the back side of the tire.
  3. Pull the chain over the top and around to the front of the tire. Connect the servo device to the inner, tensioning chain with the top-mounted, dual hook.
  4. Fit the chain around the tire, making sure that the servo is in the front.
  5. Connect the inner chain to the outer traction chain at the bottom of the tire using the large red hook.
  6. Activate the servo device to ratchet the chain tightly into place.

Class S Designation

SAE Class S tire chains are designed for use on vehicles with restricted wheel well clearance. Certain newer cars, vans and small trucks, especially those with large, aftermarket tires, may require the use of Class S chains.

SAE Class S Clearance Diagram

These chains will fit your tires provided there is both:

  • A - a minimum of 1.46" (37 mm) between the top of the tire tread and the wheel well
  • B - at least 0.59" (15 mm) between the tire's sidewall and the vehicle itself

How to Choose Snow Chains for Your Vehicle

To choose the right snow chains, you must match your tire size. Those measurements can be found on the side of your tire, as shown below.

Tire size on sidewall


  1. (185) - indicates the width
  2. (60) - gives you the aspect ratio (sidewall height as percentage of width)
  3. (15) - denotes the diameter of the wheel rim in inches

37043 Pewag Servo RS Self-Tightening Chains - Passenger Vehicles - 14" to 19" Tires

Replaces Pewag RS 76

These chains fit the following tire sizes:

  • 195/80-16
  • 205/65-17.5
  • 205/75-16
  • 205/80-15
  • 215/55-17.5
  • 215/65-16
  • 215/75-15
  • 215/80-14
  • 225/55-17
  • 225/55-17.5
  • 225/60-16
  • 225/65-16
  • 225/75-14
  • 235/45-18
  • 235/50-17
  • 245/50-16
  • 245/60-15
  • 255/40-18
  • 255/45-17
  • 255/60-14
  • 265/35-18
  • 265/40-17
  • 265/50-15
  • 6.5x16

Video of Pewag Servo RS Self-Tensioning Snow Tire Chains - 1 Pair

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Pewag Servo RS Self-Tensioning Snow Tire Chains Review

Adam: Hi everyone. Adam with etrailer.com. Today we're going to be taking a look at the Pewag Servo RS Self-Tensioning Snow Tire Chains. Before ordering your chains, we do have a good fit guide on our website so you can type in your tire size. If you don't know where it is, here it is. This is what it's going to look like.

You're going to have three numbers, slash, about two numbers and then an R, and then you're going to have your rim size. Just put that into the fit guide and pick your tire so you have the right chains.Just so you guys know, be sure to pay attention to the description on our website. We have two different kinds of these. One is going to be 3.2 millimeters thick, and when I say that I'm talking about the links on the chains, and there's going to be another one that's going to be 3.5 millimeters thick. If you want the little bit bigger ones it's not too noticeable, but there is more metal there, so be sure to check our description so you pick the ones you want.These chains are going to get the job done, but let's focus on what sets these apart.

A lot of them are going to just be low carbon steel. These are titanium alloy, so they are going to wear down significantly less than some of the softer metals that you see on the market as well. Comparing them to the ladder pattern type, as you can see we almost have chain in all areas of our wheel. We have a little gap here, but it's going to provide a lot smoother ride than some of those thicker ladder style chains. Also, as you can see here, we don't have a whole lot of wheel well clearance.

These are SAE S class certified so you don't have to worry about scuffing up your wheel wells or anything like that because they do fit in here pretty nicely, and what really sets these apart is going to be just how they protect your rims and also how easy they are to install. These bumpers are going to protect all that from scratches or anything like that, but the coolest part about it is going to be this little gadget right here.The self-tensioner I've had a really good experience with. It's super easy and it's actually kind of fun. So if we we're to just take it off, you just rotate it like so, so we can just pull it out but then if we wanted to maybe just put them on, all you got to do is just twist this and it just self tightens for you. So as you start driving as well and these chain starts shifting, it's going to keep and continue to pull on those chains to keep it nice and tight.

It's super, super easy and something that's pretty unique to the chain game.One other thing that's a big plus for me with tire chains is the fact that we just have to kind of fish our chains behind our tire on the bottom, but then we do the rest up here. A lot of the ladder pattern style chains you have to lay on the ground and as you can see, we don't have a whole lot of distance between the ground and bottom of our vehicle, and if we're putting on tire chains, we probably got snow on the ground. I'm not really wanting to crawl around on the snow because I'm either stuck or just in a crummy situation. With this one, super nice. Everything's up top here. Make a connection here and down there, and then just twist the knob and then you're pretty much ready to go.I don't really live in an area where it gets too bad of snow, so usually I just kind of wing it. But if I we're to grab some chains, I would definitely recommend these. I messed with a lot of them here. As you can see on our website we have a whole lot of different kinds and designs for tire chains. These are just super easy. It's not a hassle, and at the end of the day, if you're putting tire chains on, you don't really want to have any other hassles coming with it. Make this as simple as it can and this is definitely one of my top picks, but one other thing that I want to show you guys to see how fast I can do it, just to undo everything and put it back in our case.I'm going to start just by twisting this, pulling this, unhooking this and this and this. I just lay it down. One thing I found to be easiest is actually just making it into a circle like so, just so it goes into that pack a little bit easier. These don't really tangle up too bad either, which is a plus for me. They do come in a pack of two, so if you have an all wheel drive vehicle like the one we're using here, you just basically get two sets whenever you buy them on our website, because you probably have the same tire both front and back.Compared to some of those canvas bags, this one is pretty tough. I don't really think the chains are actually going to poke through here over time, and it has a zipper so they're going to stay in there pretty easily, and with those canvas bags you kind of have to ball them up to carry them around. This has got a nice handle. It's going to make transporting them pretty easy.Now that we've gone over some of those features with you guys, let's just go ahead and install them. We're just going to grab one for now. Sort it out real nice. Set that to the side for now, and we're going to go ahead and do our best to untangle everything. Make sure everything just sits right, and lay them down. We want to make sure we don't have any kinks in our links or anything like that, that everything's laying properly. Another thing we do need to make sure of is on one side we're going to get an extremely smooth side and on the other side it's going to have a couple more jagged edges. We want that jagged side to be facing away from our tires, just to prevent any unnecessary wear.Now we can go ahead and slide one end, the one with our self-tensioner here, behind our tire into the other side. Take both ends and reach in that wheel well and make that connection just like so. Then while we're back here, might as well just drape these chains over on both sides. We want these cross chain sections here to be in the middle of our tread. Do your best. Once you have it somewhat done, we can take the red links here and our red hook, and just connect that. Make micro adjustments as you're going, and now all we really need to do is, as of right now I can't really pull on this cable here, so we're going to rotate this little red dial here to the open tab. Now that's going to allow us to pull that out. On the other end of it, we're going to get this plastic red piece here. We're going to do our best to try to connect our red hook to it like so. Now all you got to do, this is the fun part. You just got to rotate this back, you're pretty much ready to go.Now that we have these installed, we do suggest that you kind of roll over them a couple times, get back out and check, make sure everything's still nice and tight, and it probably should be because of this awesome self-tensioning system. You can do that same exact process for all of your wheels. This one right here is an all wheel drive version, so you can put it on your front or your back, either or, or all four. Well everyone, that just about does it for our look at the Pewag Servo RS Self-Tensioning Snow Tire Chains.

Customer Reviews

Pewag Servo RS Self-Tensioning Snow Tire Chains - 1 Pair - PWRS76

Average Customer Rating:  4.9 out of 5 stars   (20 Customer Reviews)

With their square links and diagonal pattern, these easy-to-install, self-tensioning, alloy steel chains offer superior traction and a smooth ride. Specially designed for vehicles with limited wheel well clearance.

- PWRS76

Outstanding product! Very well-designed tire chain, quality components, easy to install, and terrific grip. I researched this purchase from some time and paid a little more for this quality product. We live in an area with very steep hills and quite a bit of snow and ice that goes unmanaged by the city. I figured these chains would be easy to install (I didn't look a the instructions before I took them out to put them on and had them on in 11 minutes), last a long time, not cause damage to my Lexus SUV, and provide excellent traction. They meet all my expectations. 469494

- PWRS76

There are many types of tire chains available today. When you want reliable, relatively easy to install chains, this is a great choice. In addition, it appears that they will wear well. There is no available reliable data available on the strength of tire chains when high levels of horsepower are delivered through them. My personal experience is that my 300 hp pickup can easily break chains in this design category. I have never broken link chains with cam tighteners. Those conditions require the chain to be very snug. No looseness can be permitted. The link chains fail when hopping takes place. Little doubt that will be true for these as well. Avoiding hopping requires high skill and the willingness to say, I am turning around and going back. Given the chain design, it does run very smoothly. This will minimize the likelihood of hopping. 730742

- PWRS73

Review from a similar Servo RS in Tire Chains

Received the tire chains today. No adverse driving conditions to test them on. Will put them on tires this weekend - to check for fit and to practice installation instead of when they are needed. 594457

- PWRS73

Review from a similar Servo RS in Tire Chains

I just received the product today. Packaged well will be taking these to my son in Montana in May. Thank you for your quick response to my order. 175376

- PWRS73

Review from a similar Servo RS in Tire Chains

Simply amazing. It took me only 5 minutes (or maybe less) to install and un-install one tire in my garage as a test. Best product and the best offer. Thank you very much. Oh, delivery was also excellent, its timing and the way it been delivered. Highly Recommend. 460788

- PWRS77

Review from a similar Servo RS in Tire Chains

I have never been more pleased with a purchase decision than I am with these snow chains. They fit my car perfectly and were easier to install than I expected. If you have ever used on-ground cable chains, you know there are three connections that must be made, plus any adjustments to the tension device. With these chains, the connections are easy and the self-tightening tension device is impressive. At first I was not interested in this feature, but after using it I can appreciate how it will keep the chains tight and secure. I was also impressed by the design of the carrying case. I expected it would be difficult to replace the chains in the case once removed. Wrong. They easily fit back into the handy plastic case. Further, the chains came with plastic gloves to slip over your your hands (even with winter gloves) to keep your hands and lower arms clean. It's a bit odd to be so excited about a product that I hope NOT to use. But I drive to ski resorts all over the West and encounter chain restrictions often. Although I have all-wheel drive, I don't have snow tires and recent chain restrictions in Mammoth, CA require chains or 4-WD with snow tires on all wheels. Now, I'm actually looking forward to using the chains. I'm so pleased, I may purchase a second set for my wife's car. Finally, etrailer.com was great too work with. Their rep ( thanks Donna!) helped me find the right size chains for my wheels. Thanks so much! 335643

Very well designed product. Service person was very helpful in ing the correct size. I expect to buy the same brand of chains from you for my wifes car.
Arlo S - 01/26/2018


- PWRS80

Review from a similar Servo RS in Tire Chains

The little clips can get tangly, and the main clasp can be a pain sometimes to get it to stay clasped untill you get tension on it. But overall I have used them quite a few times and they work great. I would def recommend them over the traditional types. 468340

- PWRS80

Review from a similar Servo RS in Tire Chains

We used these chains going up to Truckee and they were the easiest chains we’ve ever installed. Highly recommended! 595384

- PWRS75

Review from a similar Servo RS in Tire Chains

The package came on time as you said it would! The directions were pictures with little text in a vinyl/plastic insert that fits nicely in the case. Watching the video helped a lot, should have looked at first before I installed one. I did it right but the video made it faster the second time! The case is compact and has a rigid separator plate that keeps the two chains separate. The service on the telephone was superb rate it a 10. This was reassuring since their are so many choices. The chains fit like a glove and now I hope I never need them! 344682

- PWRS73

Review from a similar Servo RS in Tire Chains

Thank you so much 594286


Review from a similar Servo RS in Tire Chains

The chains were a great fit. It took a little while to figure it out, because I forgot to disconnect both the top and bottom portion of the chains before putting it on. 583240

- PWRS77

Review from a similar Servo RS in Tire Chains

Their customer service is awesome!! They reached out to me via email as soon as they noticed delay and kept me updated on the delivery status, and also followed up after the delivery. We now have the chains we need for winter weather! We are very pleased to finally find the right snow chain for our tire size after looking around for 2 years! (235/40 R19, very little clearance) 593217

- PWRS73

Review from a similar Servo RS in Tire Chains

I haven't used these yet, but I am very familiar with chains in general. I bought these to put on my wife's car, and wanted something easy for her to use. We put them on to teach her, and she was able to put them on pretty easily. I have used pewag truck tire chains, and if these are anything like them, they are great. 4 stars for ease of use. When I do use them, I'll update this review. 758977

- PWRS75

Review from a similar Servo RS in Tire Chains

I have a 2015 Ford Cmax which in the manual states that no chains or cables are to be used due to limited clearance. I bought these anyway and have used them twice with no issues. I hate putting on chains or cables but these are fairly easy. The advantage to these is that they can be put on without moving the car. First time was on a steep driveway, second on a mountain turnout with deep snow. They auto tensioned as described and a fairly smooth ride compared to typical cables or chains. Your video convinced me to try them even though Ford doesn't recommend anything...which means I'd have to use a different car to go skiing. 747058

- PWRS75

Review from a similar Servo RS in Tire Chains

I haven’t use them yet but from the videos they provided for this product, I know I will be satisfied. I had a problem and needed my order to be shipped quicker than I chose and the agent helped me & I received them. Thank you so much. I will recommend this company. 739056

- PWRS69

Review from a similar Servo RS in Tire Chains

My buddy recommended me this product. It works very well for him, he’s driven around Brianhead Utah countless times with these tire chains. 738254

- PWRS67

Review from a similar Servo RS in Tire Chains

I am thoroughly impressed with chains! Used them on multiple occasions, fairly easy installation and remove. Excellent traction, and works great for Ford Fiesta. 736909

- PWRS75

Review from a similar Servo RS in Tire Chains

Excellent and easy to install snow chains! Five minute install. Perfect for driving on ice and slick roads where my UHP-All Season tires don't work well. 735114

- PWRS80

Review from a similar Servo RS in Tire Chains

I received the chains in good condition as promised. I have not used them. 718936

- PWRS80

Review from a similar Servo RS in Tire Chains

These are great quick and easy to install and don't require a roll over. Installed them at 0010 with a headlamp on a steep icy hill after sliding 75ft without them. 466930


Ask the Experts about this Pewag Tire Chains

  • Recommended Tire Chains And Installation On 2004 Toyota Sienna
    In your owners manual for your 2004 Toyota Sienna, the online manual states snow tires or chains are recommended when driving on snow or ice. It states to use SAE class S type radial tire chains except radial cable chains or V-bar type chains. You are to use them on the front tires and are given instructions to not use chains on the rear tires. This is according to page 468 of the online 2004 Toyota Sienna manual. For instance, for 215/65-16 tires, I recommend the 2004 Toyota Sienna...
    view full answer...
  • Recommended Snow Tire Chains for a 2017 Mini Countryman ES
    If you have the standard size Mini wheels of 225/55-17 that come on most models, then I recommend the Pewag Servo RS Self-Tensioning Snow Tire Chains - 1 Pair # PWRS76 and have a link thickness of 3.2 mm. These are Class S rated chains which means they meet minimum clearance standard and you will need chains with that Class S rating for your vehicle. A premium option is to use the Konig Premium Self-Tensioning Snow Tire Chains - Diamond Pattern - D Link - K-Summit - Size K44 # TH02230K44....
    view full answer...
  • Recommended Snow Tire Chains for a 2014 Subaru XV Crosstrek
    From my research your 2014 Subaru XV Crosstrek has 225/55-17 size tires from the factory. If you have a different tire size let me know. I also checked out your owner's manual and it recommends not using tire chains unless you're required to. In the event you need to the manual states to use Class S chains and to install them on the front wheels. Since you're not planning to use them long term (or at all if you don't have to) I recommend going with basic ladder style chains, like...
    view full answer...

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Info for this part was:

Test Fit:
Zack K
Video by:
Andrew K
Video by:
Chris R
Written by:
DeAnne T
Video Edited:
Dustin K
Updated by:
Sarah W
Updated by:
Hannah L
Updated by:
Isabelle B
Installed by:
Adam E

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