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  1. Tonneau Cover
  2. Lomax
  3. Fold-Up - Hard
  4. Low Profile - Top of Bed Rails
  5. Rack Compatible
  6. Aluminum
THIS ITEM IS NOT A FIT FOR
2023 GMC Canyon
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Lomax

Lomax Stance Hard Tonneau Cover - Folding - Aluminum - Black Diamond Mist

Part Number: LOM33WR
In Stock
$1,392.30
Retail:$1,547.00
You Save: $154.70
Tonneau Cover
Not Confirmed to Fit

2023 GMC Canyon

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This hard tonneau cover folds up toward your cab for full access to your truck bed. It secures to your cab with latches, making it safe for highway driving. Extruded aluminum panels withstand impact from hail and other falling objects. Great Prices for the best tonneau cover from Lomax. Lomax Stance Hard Tonneau Cover - Folding - Aluminum - Black Diamond Mist part number LOM33WR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (35)
  • Q & A (0)
  • Videos (3)
  • Photos

Lomax Tonneau Cover - LOM33WR

Highlights

  • Custom Fit for Your Vehicle: Secures to your truck bed with model-specific clamps and hardware
  • Full Bed Access When Needed: Folds up to the cab at 90° so you can haul large items.
  • Keeps Cargo Secure: Locks with your tailgate so gear stays protected on the road.
  • Built to Take a Beating: Aluminum panels handle hail and heavy impact without bending.
  • Low Profile Look: Sits less than 1/2" above bed rails for a clean, flush appearance.
  • Quick, Drill-Free Install: Clamps on easily with no drilling or special tools required.
Made in USA

Features to know about

Full Bed Access: Fold-Up Aluminum Panels

When you need the whole bed for hauling lumber or bulky gear, the Lomax Stance folds up toward the cab without blocking your rear window. The latching system holds the panels open at a 90-degree angle so they stay secure even on the highway. Because it latches instead of using prop rods, the cover doesn’t rest against the cab, which helps keep your paint and rear glass safe from scratches.

Lomax Stance Hard Folding Aluminum Tonneau Cover in black diamond mist finish shown partially folded on a pickup truck bed, demonstrating full bed access and low-profile design.

Strong and Light: Extruded Aluminum Construction

This hard cover is built from extruded aluminum panels designed to handle up to 400 lbs of evenly distributed weight. The structure stays rigid under load but remains light enough for one-person operation. The Black Diamond Mist finish is scratch resistant and tough enough to take on hail or debris without denting or bending.

Weather Protection Without Drain Tubes: Sealed Hinges and Rubber Gaskets

Rain, dust, and snow stay out thanks to weather seals that run the full length of the rails and hinges. The watertight design doesn’t rely on drain tubes, so installation stays clean and simple. It keeps your tools and gear dry through storms and car washes while still maintaining smooth operation in every season.

Low-Profile Fit: Less Than ½" Above Bed Rails

With a profile height of less than half an inch, this cover sits almost flush with the bed rails for a streamlined look. The sleek design pairs strength with style, giving your truck a clean line while keeping stake pockets open for racks or tie-downs.

Quick, No-Drill Setup: Clamp-On Design

You don’t need power tools to mount this cover. The clamp-on system attaches directly to your bed rails, so installation takes minutes with basic hand tools and no drilling. It’s easy to remove when you want to swap setups or go fully open-bed.

Specs

Weight and Capacity

  • Weight capacity: 400 lbs

Dimensions

  • Profile height above bedrails: less than 1/2"

Warranty

  • Warranty: 3-Year limited warranty

G4030069 Lomax Hard Tonneau Cover - Folding - Aluminum - Black Diamond Mist

Installation Details LOM33WR Installation instructions

This Product Fits The Following Vehicles




Video of Lomax Stance Hard Tonneau Cover - Folding - Aluminum - Black Diamond Mist
Video Thumbnail Video Player Dialog

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




Video Transcript for Checking Out the Lomax Hard Tonneau Cover

Today, we're looking at a pretty sweet upgrade for your truck. This is the Lomax Aluminum Hard tri-fold Tonneau Cover. What sets this one apart from most of the others on our website is it leaves enough room for our stake pockets to be uncovered. So this is a great candidate for a awesome Tonneau Cover Ladder Rack combo. It's gonna keep all those sensitive items and tools and stuff on the inside of your bed nice and dry but we're also gonna have an extra 500 pounds to be able to put up on here with our Ladder Rack. So I think that's pretty cool.

Trucks are meant to do stuff. And with this combo you're gonna be able to do a lot more stuff than some of your friends. And just so you know this is the Adarac Ladder Rack. We have nice seals all the way around the whole entire Tonneau Cover. So when I take this out, you can see the first little section of leather stripping down on the bottom, but it's gonna go all the way around.

The cool thing about this is you don't really have to get up in the bed to make it fold back. All you have to do is come down low and we only need one hand so we can pull this string for this side and pull down a little bit more for that side. Then you can fold it up. Look at that. That's just really cool.

It's very, very close. So a lot of these other tri-fold type Hard Tonneau Covers, they typically have the seals on the outside. This has the seal on the inside which gives us that perfect amount of clearance that is gonna work with this Ladder Rack. So we're gonna fold it back once. The second time you don't have to undo any latches or anything.

You just fold it back again, just like this. And we can drive like this, but what we wanna do before we drive is if you look down at the window over here right at the bulk head, there's gonna be a little notch right here. And this little string is gonna go like this. So that is gonna prevent it from kind of flapping around if you're going off the road or anything. But there's one more little thing that will kind of help with this type of movement. I don't think it's going to come undone, but if you take a closer look, you'll see that we do have some hooks right here. So that'll snap in. But even with these off and this one on both sides. So with this one off and this one off, it's still not going to come undone. It's just a last minute second precaution just to make sure that it's not gonna come undone. But this little string right here will allow it to come up because this isn't something that we're gonna be able to fold up against the cab of our truck. That's just kind of an extra little latch to make sure it's gonna be nice and secure. So we can drive with it like this; In the drive mode, from the very very back of our bed to this part right here, it's about 25 inches and we're not gonna be able to change that at all. The only thing we can do at this point is maybe pull this and then pull it back and then we can remove it. So if you really wanted to, you could do that. It's very, very easy to take on and off. So you could definitely do that if you really needed the bed, it's full length to put some stuff in. Our side rails is what our whole entire Tonneau Cover is gonna sit on and it only takes up about two inches from the inside lip of the rails on the bed of the truck. So that's not a whole lot. And whenever we're ready to cover our bed back up, let's go ahead and fold it back like this. When it's down, it's pretty low profile. So from the rails of our truck to the top of our Tonneau Cover, it's only about a half inch, which isn't a whole lot. And notice how we don't have seals on the outside. So this is made of aluminum. At first when I was looking at it I was like, "Wait, hold on a second. They left some open edges." But it's aluminum, it's not gonna rust away. But then on top, it's gonna have a matte black finish. I like the matte black. I don't like gloss because whenever the sun's behind you, it hits and reflects and then it goes into your rear view. And I just don't being blinded on the road, but then underneath we're gonna have no powder coated finished underneath, but it's just a piece of aluminum. So the cool thing about this aluminum is one it's actually slightly bowed. You can't really tell, but if you really put like a flat board on here, you'll notice that it is kind of slope. So all that water's gonna go out. So that's why we don't really have any drainage tubes with this Tonneau Cover. So that makes the install a little bit easier. But also if you have a evenly distributed weight up on top of here, let's just say a couple pieces of plywood or something. If it's completely evenly distributed, we'll have about 400 pounds of capacity on the Tonneau Cover. This isn't one that you will really want to stand on. But I mean, if you have the Tailgate closed and you're just sitting on the edge, it's not really a big deal at all. So if you just want to kind of just hang out after a kayak ride or whatever kind of thing you're doing, this is also some place where you can kind of just sit and kind of conjugate. It is kind of fun, especially like after like a golf round or a bike ride, you know, kind of just coming around, just have your glass of water, just chilling, talking to your friends. It is kind of a cool little hangout spot. Any Tonneau Cover can be broken into but if you do have a locking Tailgate, this is gonna be one that's gonna be a little bit more secure than some of the Soft Tonneau Covers. So just keep that in mind. It is gonna cover things up. So no one's gonna know exactly what you got in there. So they're not gonna know if they wanna break in or not. So I think that's a good deterrent just in itself. I also think it kind of looks cool but there is a very premium option setup over here so let's go check that out. Come on. The LowMax is definitely more of the entry level range when it comes to Hard Tonneau Covers. But if you come over here, you can see a really cool setup. If you really wanna go all out with your setup, the Retrax is pretty sweet. One, it has a lock on its own. So even if you don't have a locking Tailgate or you do, this one's gonna come with a lock. And the cool thing about it is goes all the way back. One thing that's bad about this one compared to the other one is we do have a little box. This canister is gonna take up a little bit of the bed space, but that's not a big deal with me. I just like how it slides out. I think that's pretty cool. And it also is gonna work with your Ladder Racks but not the Adarac that we have with the Lomax. This one's only really gonna work with the heeded OverHaul HD where you're gonna get same amount of type of capacity. This one's gonna have the same kind of capacity and gonna give you a little bit more security as well. So if I we're to go with one, I would definitely say the Retrax XR is like top of the line, top of the line but there really isn't a whole lot of extra benefits for you to go of that premium route. So if you just wanna cover your stuff, the Lomax is gonna do the job right. If you are one that likes the combo set up, entry level you're gonna wanna go with the Lomax and the Adarac Ladder Rack. If you wanna go all out, you go with the Retrax XR with the overall OverHaul HD. But if you want something that's kind of in the middle, you can go with the Back Revolver, that one with the Thule Tracrack SR with the sliding rails. Those will give you a little bit more capacity, but it's still gonna give you that hard Tonneau Cover security but it's in between these two right here. So it would go like right here. And that's pretty much it for our look at the Lomax Aluminum tri-fold Hard Tonneau Cover..

Ratings & Reviews

4.5

35 reviews
5 Stars
(24)
4 Stars
(8)
3 Stars
(0)
2 Stars
(2)
1 Star
(1)
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by:
Used daily. Clearing mountain lot, cover up lets me get a full load of limbs and needles in bed of truck without having to stuff under 1/3 of a standard bed cover
by:
Easy to install,fits perfectly,looks great.
by:
Built very well.
Installation was not easy. Need to have on line video for installation.
Again the product is very well built
by:
2025 Toyota Tacoma
The cover fits and functions very well. the installations were difficult to follow and showed no pictures what the installation steps should look like. I had to skip steps to figure out the installation then go back to complete
by:
Delivered in a timely manner. Instructions were very poor, but not too many parts and with the photo had it figured out without too much trouble. It's in a garage when not on the road, but I've driven in heavy and steady rain and didn't notice any water. Really like the third panel closest to the cab folding up... it has been very handy placing and removing items.
by:
I just installed my cover today. It looks really good on the truck. So sleek....not like the canvas ones. It was super easy to install. All you have to do is clamp (they give you the clamps) rails to the sides of your truck bed and drop the cover into the rails and tighten it down. I can not say enough about Etrailer's customer service. Originally they sent me the wrong cover and they took responsibility for the error. I had several emails and calls from Marti in customer service...even on the weekend. She did incredible work to make it right. In the end, although it took a long time, I am a satisfied customer.
Rick profile picture

Rick

8/14/2025

Still working out great.

by:
Sturdy, looks good, and keeps bed contents secure.
by:
Install went well for me the extra set of hands made it easier. Looks good on the Santa Cruz. Thanks for all the support!!!!
by:
Good quality, easy to install.
by:
The railing that has the release cord was bent in so the adjustment tabs could not slide. The bent rail also affected the alignment of the latch. Did not expect to have to jerry rig the installation. Now that it’s been installed it looks good but it does leak in a hard rain.
by:
I like the look and the convenience provided by the tonneau cover on my Maverick Lobo. However it took a lot longer to install and I had to call the company to get clarification on the front seal, the instructions were not clear.
I suggested that it would be easier to install the clamps if you taped the bottom of the clamp to create a hinge and prevent miss-alignment of the "teeth". This made it much easier to position the clamp and tighten the nut.
Gwendolyn Y. profile picture
Etrailer Expert

Gwendolyn Y.

4/25/2025

Thanks for sharing the install tip about the clamps, Fedrick. I bet it looks great on your 2025! What color did you get?

Fredrick profile picture

Fredrick

4/26/2025

@GwendolynY My Maverick is the LOBO model in blue. Aside from being about an inch lower, it has a larger radiator and an added trans cooler and larger front brakes. The trans is different being a dual clutch 7 speed (similar to the VW GTI that I traded in) unit with paddle shifters. Ford's intent was to create a truck that would handle like a sports car. I'd like to call it the Maverick version on the GTI. Future upgrades will include a bigger rear sway bar and maybe lowering springs to bring it down another 1-1/2" with less of a rake. I think adding the toneau cover enhances the look of the truck. I'd like to include a picture if possible.
by:
2025 Hyundai Santa Cruz
Easy install. I’ll have to see how it holds up in the weather. Looks good snd seems to be very sturdy
by:
Great product fits perfect.
by:
2024 Ford Maverick
Excellent cover. Easy to install and use. No drain tubing needs to be installed for the Lomax Stance cover. I would recommend this cover over other trifold covers, especially if you have the Ford bed liner.
by:
2025 Hyundai Santa Cruz
The tonneau cover fits tight and the installation was pretty straight forward. My only complaint is the tailgate will not open remotely because the seals are very tight between the tailgate and the cover..Hyundai Santa Cruz
by:
2025 Hyundai Santa Cruz
I ordered it and it came in about one week. It was very well packed and in excellent condition I read the instructions a couple of times and then went to install it. I wasn't sure which was the right side rail and the left side rail at first. It would be nice if they would put a little round sticker on the front of the rails. That said, left front right front. I did get them on right the first time ,install was fairly easy and when I got it all together it fit beautiful and looks awesome and it Opens and shots very easily. Awesome product!
by:
2026 Hyundai Santa Cruz
LOOKS AWESOME AND FITS PERFECT
by:
2022 Hyundai Santa Cruz
After receiving the order it took about 1 hour for install.

everything fit really well. Product looks nicely made. packaging was great and protected the product well during shipping.
by:
I like the cover. I installed it this afternoon. The directions left a little bit to be desired
by:
After watching an installation video it was relatively easy to install in a short time. However, the instruction booklet need clearer pictures, and the side rails did not have indicators of which side they each needed to be installed.
by:
Easy to order! Quick delivery! Easy installation!
by:
Great product. Your YouTube video was excellent for the installation. Thanks
by:
2024 Ford F-250 Super Duty
Cover is damaged. No ETA on replacement… should have bought directly from manufacturer.
Mike L. profile picture
Etrailer Expert

Mike L.

11/29/2025

I'm sorry to hear that your tonneau cover arrived damaged. I'll reach out with an ETA as soon as it's available...

by:
Looks good on my Santa Cruz excellent product and easy installation. 2 thumbs up .
by:
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See what our Experts say about this Lomax Tonneau Cover


Info for this part was:

Employee Dustin K
Video Edited:
Dustin K
Employee Jonathan Y
Video Edited:
Jonathan Y
Employee Wilson B
Updated by:
Wilson B
Employee Matthew S
Written by:
Matthew S
Employee Daron K
Edited by:
Daron K

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