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  • We will NOT be undersold on Bak Tonneau Covers! Seen a better price? Call us at 800-663-1570 and we'll beat it!
  • Get style and security inside and out with the Bak Revolver X4s Tonneau Cover
  • Smooth and flat design with weatherproof side rail seal
  • Matte Black Aluminum underbody and clamps
  • Rear corner caps for a refined aesthetic
  • Made in the USA
  • Backed by a 5-Year Warranty

A great tonneau cover doesn’t just cover up your gear, it elevates the style of your entire truck. A great tonneau should look good closed and sealed, but it should also look good while in operation and above all, it should get the job done. Now Bak has done it all with a truck bed cover that delivers style and security in spades, the Bak Revolver X4s Tonneau Cover.

Thoughtfully designed inside and out, your Bak Revolver X4s Tonneau Cover offers a stylish Matte Black look not only on top but also on the Aluminum underbody. Even the installation clamps are Matte Black for a complete and consistent style. The side rail seals are smooth and flat and the rear corner caps add to the refined and sophisticated final appearance.

Heavy-duty safety straps will make it easy to drive at any speed with this truck bed cover in the opened position. The capped aluminum slats ensure safety for your hands while you operate the tonneau. The integrated bulkhead seal will keep your tools and cargo bone dry even in the worst of weather. This cover is made in the USA and backed by a 5-Year Warranty.

Bak Revolver X4s Tonneau Cover Customer Reviews

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Overall Rating:

4.7 of 5

Average Install Time: 30-60 minutes

Showing 10 of 54 reviews. See All Reviews.

who drives a Nissan Frontier
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clamps not reliable, cover 1/4 inch to short, not water proof

Install Time: 1-2 hours

who drives a Chevy Colorado
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For 2023-2024 Chevy Colorado, you will probably have to shim the rails yourself. No big deal and not worth anything less than a 5 Star Review- just be ready. I just used a penny at each clamp, between bed and rail and it rolled and locked perfectly. Just took some extra time, because instructions didn’t cover that possibility. I’m sure they will fine tune this kit to the new body style. Great cover and I love the way it locks down every inch- not just at the tailgate. A+

Install Time: 1-2 hours

who drives a Chevy Colorado
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This would have taken less time to install, but I needed to shim the rails, in order for the mechanism to lock the cover in place, when closed. Still worthy of a 5 star review- just be ready to shim it. I just used a penny at each clamp. For 6¢ more, this will work flawlessly on your 2023/2024 Colorado. A+ Also, there’s a plastic cap on each side of the cover at the tailgate. Pop it off and apply some clear or black silicone to it and pop it back on. I read reviews on how this pops off and gets lost…. Just fix it now. This is a great cover!

Install Time: 1-2 hours

who drives a Honda Ridgeline
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Written instructions along with video's made the install a breeze. Top quality product. Made the appearence of my Ridgeline look regal. Would recommend this product to anyone owning a Honda Ridgeline.

Install Time: 30-60 minutes

who drives a GMC Sierra
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Excellent quality. Installation was very straight forward and relatively easy to install. I took a little longer because I am 82 years old

Install Time: 1-2 hours

who drives a GMC Sierra
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I had a Bak tonneau cover previously, and I really liked it, especially closed. However when I needed full access to the bed of my truck, not so much, as it blocked the rear window entirely, I dealt with it using my mirrors, but it still was not to my liking. I recently bought a new GMC Sierra Denali, and began searching for new lids. My research led me to the new Bak Revolver X 4s. I watched some videos, saw some older version and then new updated cover and decided that would be may choice. I got a great offer from autoaccessoriesgarage.com and shipping was great too!! Not Amazon quick, but I was still impressed how soon I got it! Installation was very similar to my last Bak cover so it went easy and quick. It's still very new to me so I cant really rate it on longevity, but first impressions are very positive! It looks great, seems to seal the bed pretty well and what more can I say! The rubber/vinyl cover is my main concern. Guess we'll find out over time.

Install Time: 30-60 minutes

who drives a GMC Canyon
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Awesome product! Received it quickly and easy to install.

Install Time: 30-60 minutes

who drives a GMC Canyon
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One frame bar came bent. One side rail was bent. One latch mechanism was missing a screw. And if I’m not mistaken the end of each side rail should have a protective cap but neither do

Install Time: Under 30 minutes

who drives a Ford F150
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I've had this cover on my truck for less than three months and a plastic end cap has already come off. Otherwise its looks great and functions as expected. If anyone can direct me to where I can find a replacement plastic cap I would greatly appreciate it. I've attached pictures to show what plastic cap I'm referring to. The first picture is of the drivers side which still has the piece and the second showing where its missing.

Install Time: 30-60 minutes

who drives a Ford F150
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I would have given it 5 stars across the board but I’ve only had it for a month. If it’s as good as it is now in a years time, I’ll increase the remains 2 stars from 4 to 5.

Install Time: 1-2 hours

Showing 10 of 54 reviews. See All Reviews.