RealTruck BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover | 448330 | Fits 2017-2022 Ford F-250/350 Super Duty 6' 10" Bed (81.9")

Seems like a great product but missing several components, including the rails which are obviously very important! I have contacted Bak Industries to have the issue resolved but have not heard back yet.

Very happy with product. Looks great. Easy installation - although watching/pausing/rewinding you-tube video vs reading a document was cumbersome. Seemed a little pricey but I feel like it is worth it after a few weeks.

Excellent product, near perfect fit. - All hardware is well engineered and sturdy. - Flush fit, looks great. - Top is very strong. - No documentation regarding the 8’ bed rail connectors, closeup and printed insert in package would be helpful - A closeup of the clip in rail insert geometry closeup, printed insert in package would be would helpful. I’d give 4stars but the dam thing is so cool, it works fantastic with my Ford F-450 Platinum. *** It’s worth the BIG $$$ THANKS.

Easy to install. Fits well. Durable. Great support. I’ve had this over a year now. The only issue I had was one of the plastic corners fell off which Bakflip replaced immediately. On the install, you need to ensure the brackets are exactly at a right angle to the bed. This takes a bit of adjusting otherwise the back locks won’t clip. My suggestion would be to increase the latch clearance a bit. I had issues with getting one side to latch but after using it for a bit, now both sides latch when I close the cover.

I don't care for the clamping system that is used, they utilize the grip of the clamp to hold the rails (and thus the entire tonneau cover) to the truck bed. The clamps otherwise are not physically attached to the rails, and if the nuts happen to vibrate loose just a little, the clamps literally fall to the floor of the bed. Murphy's Law, if it can happen, it will happen... They say it never has, but I can't in good conciousness leave my driveway with it on. From there, because I made sure the clamps were tight, the rails are slightly past vertical (even with the angle shims that were attached), so there are resulting alignment problems with the top, and it has to be worked to open, fold, unfold, and close. And I wouldn't dare loosen the nuts on the aforementioned rail clamps to get it better aligned... The little pad strips that are included are imo insufficient to protect the back window and third brake light (it's cheap, and doesn't cover the contact points adequately or at all). I'd feel compelled to get a large piece of foam to cover the back window and strap it somehow to the cover. And btw, it does block most of the third brake light. The prop rods in and of themselves are ok, but the attachment/adjustment point sucks. Once put into position and tightened, it will move if you apply some pressure to it. How tight do you have to get it before it strips out...? This is something that would be used repeatedly, No intention to be negative here as I'd prefer to be writing a positive review. But if I'm buying something at this price, I certainly do not want to be having to figure out how to modify it to make it safe and secure, or to prop it up so that it works as advertised, and doesn't break out my back window, all on DAY ONE...