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  • Thule K-Summit Low Profile Light Truck / SUV Snow Chain, Size K77 (Sold in pairs)
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Thule K-Summit Low Profile Light Truck / SUV Snow Chain, Size K77 (Sold in pairs)

by Thule
| 18 answered questions

List Price: $669.95
Price: $558.95 & FREE Shipping. Details
You Save: $111.00 (17%)
Only 2 left in stock.
Ships from and sold by Amazon.com.
  • Backed by Thule's 5 Year Warranty
  • Superior quality steel allows for smaller gauge which delivers a more comfortable ride
  • Color coded assembly points makes for an effienct install
  • Alloy Wheel Bumpers protect your valuable wheels from damage
  • Self tensioning, self centering install (1 stop for fitting), quick (external) release removal
See more product details
3 new from $558.95 1 used from $458.34

Find the Right K-Summit Snow Chains
View the Thule K-Summit fit guide to find the snow chains that fit your vehicle.

Frequently Bought Together

Thule K-Summit Low Profile Light Truck / SUV Snow Chain, Size K77 (Sold in pairs) + AAA 4004 Red Aluminum Sport Utility Shovel + Hopkins Subzero 16621 Ice Crusher Ice Scraper (Colors May Vary)
Price for all three: $584.93

Buy the selected items together

Product Information

Size: K77
Technical Details
Item Weight21.8 pounds
Product Dimensions17 x 13 x 9 inches
Item model number2004565777
Manufacturer Part Number2004565777
Technical Specification
Additional Information
Best Sellers Rank #16,706 in Automotive (See top 100)
Shipping Weight24.3 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableOctober 7, 2010
Warranty & Support
Warranty, Parts: Parts
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Product Description

Size: K77

Product Description

Thule K-Summit XX-Large snow chain is the new, most exclusive and easiest to fit snow chain for SUVs that exceed 4,410 pounds. No components to keep mounted on the wheel over winter: just install the K-Summit whenever needed. Innovative design complements the latest car models. Color-coded parts allow for easy installation. Features zero clearance: K-Summit family offers 0 millimeter internal clearance and is the perfect solution for vehicles that have space problems between the wheel and its inner side (behind the tire). Suitable for most passenger vehicles – 0 millimeter clearance behind the wheel. The exclusive ratchet system permits an effortless installation – just one hand required. Ergonomically designed installation handle, just one movement, with one hand. Exclusive steel tensioning springs, decreasing dynamic elevation and enabling perfect fitting on several tire sizes. It features high resistance plastic plates hardened with the injection of steel studs for increased traction, five, foldable arms that collapse for easy storage in the included bag and welded bars providing higher grip and performance on ice and snow. Exclusive 3-step mounting system: Step one: put two of the plastic plates over the tire and adjust the chain laying on the upper tire tread. Step two: attach the chain to one of the wheel’s nut/bolt. Step three: activate ratchet system to make the chain progress toward the rim. The chain will slip automatically on the tire with the wheel rotation. The packaging is exclusive, stylish, hard-sided packaging, complete with gloves, kneeling mat, mounting instructions and spare parts.

Amazon.com Product Description

When the winter comes, Thule has the snow chains that get you there safely, easily and in style. Thule, known worldwide as a manufacturer of highly innovative automotive racks and accessories, is proud to offer the new K-Summit--their most advanced consumer snow chain. The K-Summit has been specially designed to fit a wide variety of passenger tires, and can even be safely used on vehicles with limited wheel clearance. Tested in the Italian Alps, this line of snow chains is surefooted, safe and remarkably easy to install and remove. To make sure you find the right chains for your tires, check the Thule K- Summit Snow Chain Fitment Guide and find your tire size.

Low-profile design will not harm components.

Easy 3-step installation:
1. Lay the chain on the tread pattern.
2. Attach the chain to one lug nut or bolt.
3. Activate the ratchet system, and you're off.

Superior Engineering and Design
Thule snow chains are hand-made in Italy and are constructed of durable, hardened Manganese Nickel Alloy Steel. This type of steel has a tight molecular structure that provides added strength in cold conditions. The K-Summit features reduced-clearance, D-shaped links that provide exceptional traction and guarantee long product life. All chain components are meticulously tested and measured to ensure an exact fit that will not damage critical wheel components. K-Summit snow chains utilize a steel spring system that automatically adjusts itself for a perfect fit, even through varying degrees of tire wear. Aerospace plastic plates, zinc-plated steel pins and hardened metal-core rivets have been used throughout the chain to provide maximum durability and safety. Additionally, the color-coded assembly points make mounting easy in all lighting conditions.

Thule K-Summit - The Chain That Goes Where Others Can't
Thule has specially designed the K-Summit to fit a wide variety of passenger tires and wheel applications. Not only are they well-suited to standard passenger vehicles, they also fit specialty and customized vehicles that have very tight wheel tolerances. Its components have been constructed to provide excellent snow and ice traction, all while keeping mechanical components, electronic devices and the vehicle's body free from chain interference or damage. K-Summit chains are easy to install and don't require any components to be permanently mounted on the wheel during winter months. The quick, 3-step process minimizes the amount of time you're exposed to the elements. To install the chain, simply lay two of the traction plates on the tire tread, attach the central unit to one lug nut with the included ergonomic tool, and activate the ratchet system. The chain will automatically self-adjust and tighten as you drive away. High-strength materials and an advanced geometric design keep the chain from slipping off of the tire, even in extreme conditions. K-Summit snow chains include 17mm and 19mm lug nut adapters,and 21mm adapters are available on request.

Tire size location.

How to Choose a Snow Chain that Fits Perfectly
To choose the right snow chain you must follow a few simple criteria. First, check your vehicle’s maintenance or owner’s manual to verify it contains no warnings advising against the fitting of snow chains on your particular vehicle. Once verified, take careful note of the three measurements on the side of the tire. The first number indicates the width, the second gives you the aspect ratio (sidewall height as percentage of width) and the third denotes the diameter of the wheel expressed in inches. Then click on the Thule K-Summit Snow Chain Fitment Guide to choose the most suitable model and size for your vehicle.

Customer Reviews

Upon using for the first time last weekend a pin holding a chain link to a plate popped out thus rendering the chain useless.
R. Chan
The initial fitting and ajustments takes some time, so I would recommend getting these to fit correctly while at home before a trip to the snow.
Brandon Johnson
It was very good - easy & quick installation/removal, relatively quiet & smooth (compare to other snow chains at about 30mph).

Most Helpful Customer Reviews

42 of 42 people found the following review helpful By Gary Mansfield on December 11, 2011
Size Name: K66 Verified Purchase
The good news is that these chains actually DO self-adjust onto the tire - ONCE YOU GET THE SIZE CORRECTLY ADJUSTED. The pictorial guide had me remove 4 of the cross bolts, and I had to remove one more because I have "mud and snow" tires. MAKE SURE you get these sized and adjusted BEFORE you get to the snow. I would hate to have to try to do this in the cold and snow on the side of the road.

The bad news is that the ratchet mechanism is too flimsy, and you can EASILY damage it by over-tightening while ratcheting in the chains. So be careful.

Note to Thule: If you had actually used words in your instructions (instead of cryptic and hard-to-understand pictorials) I might have avoided this problem. In this case, a couple of words (e.g., "Do not over-tighten the ratchet, because we used a flimsy design") would have been worth a thousand pictures.

Also - the pictorial instructions on how to select the correct stand-offs for the lug nut bolt were VERY difficult to understand. No indications of what the critical spacing or dimensions are, so you have to guess.
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27 of 29 people found the following review helpful By S. McCleaf on February 8, 2011
Size Name: K55 Verified Purchase
First I would like to say that for those of you suggesting I get "real tire chains"... I have 2 pair that I've managed to get onto my tires exactly... never. If you'd like to buy 2 pair of 17" snow chains cheap just leave me a message, you can have 'em. "Real tire chains" might be great for some people, but if I can't get them on and off my car quickly and easily, they are useless to me.

I live 1400 feet up a 2 and a half mile dirt/gravel road that stays ice and snow covered for weeks after there is no snow anywhere else in our county. I am a small business owner, so if I can't get to work, I don't get paid, simple as that. I needed a product that was easy for a 40+ year old woman to get on and off by herself 6 days a week.

For the last 3 winters I have been using Spikes-Spiders, which I actually think is a fairly good product as well, but after being put thru the rigors of mountain life, many of the plastic components of the Spikes-Spiders were beginning to break and needed replacement, so I began looking for an alternative. These chains by Thule seem to be a great alternative so far.

I have a 2006 Saturn Vue AWD. I'll admit that fitting these chains the first time was a little tricky, but I was having to unlearn what I was expecting from the Spikes-Spiders. They did fall off the first time I used them, but I realized I had reversed a component while trying to make sure I had the right lug adapter on, so it wasn't a fault of engineering but a simple mistake that was easily corrected ...while I was halfway up my mountain. You can't fix an adjustment to regular tire chains unless your car is completely level, which mine most certainly was not.
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39 of 44 people found the following review helpful By Kindle Customer on January 4, 2009
Size Name: K33 Verified Purchase
I couldn't wait to get these, given Seattle's unexpected week of ice. The chains fit several tire sizes with clear instructions for removing 0 - 4 sizing clips for each size (all four for my 225/50-R17). These are as easy on/off as this video shows ([...] No need to get knees wet, or lay on the ground.

The chains ride only on the tread and not on the back of the wheel/tire, requiring no inside clearance. The thin cable chains add only about 10mm to the top clearance. The ice grips are aggressive and the chain angles will provide lateral slide resistance.

The set came with the tools needed to remove the clips and mount the lugs. The clips are put on from the factory with something like "Lock-tite". Recommend a 7mm socket to replace the wrench and your own good set of metric Allen wrenches (3mm).

Only problem was the lug locking mechanism was too shallow to fit my deeply recessed lugs on the standard wheels of my car (Infiniti I-30t). This should not be a problem for most cars. Amazon quickly allowed return/refund. Thule sent me to an authorized local dealer for a fit for their CS-10's which do not require a lug lock, but will require me to be on the ground in the slush to mount and dismount.

I would have loved to have kept these. I guess it is too much to expect Thule to have researched all the kinds of wheels on the market.
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20 of 22 people found the following review helpful By Travis Woodland on December 14, 2009
Size Name: K22 Verified Purchase
The K-22s work just as advertised. It takes a little extra effort the first time or two, but once you get used to the system, these are the easiest chains to put on you'll ever own. The traction seems VERY good, and the chains tighten around the tire perfectly. It almost feels like they are part of the tire (which means them off sometimes takes a little effort - just be sure you have some gloves you don't mind getting a bit dirty)

I drive a car with 21mm lugnuts. These ship with 17 and 19mm fittings, so be sure that if you have a car with larger lugnuts you get the adapter. (Prius owners, this means you). They are available from [...] if Amazon is sold out.

I haven't had these for very long, but they seem to be very high quality. The warranty is 1 year, but I would expect them to last much longer. And yes, the price is a little high, but it is a lot less than the cost of damage rims and certainly a lot less than internal damage to your cars braking mechanisms or even just cosmetic damage inside the wheel well. Add that to ease of install and it's kind of a no-brainer. Highly recommended. I'd give 5 stars, but I feel like THULE cheaped-out by not providing the 21mm fits standard. Making that a $25 add-on for a product with a retail price of $450 is ridiculous.
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