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BAK Industries BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150

BAK Industries

BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed

  • Hard folding tri-panel aluminum design
  • 500 lb distributed weight rating
  • Automatic panel latching as the cover closes
  • No-drill clamp-on stake pocket mount
  • 5-year warranty, tested -40°F to 180°F
  • Matte black finish matches factory bed rail caps

Sponsored link · confirm price and availability on Amazon · updated

On this page

Is the BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed worth it?

Yes, for the right buyer. The BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed ranks #1 in our Best Hard Tonneau Covers list (best overall). Its biggest strength: highest weight rating of any folding cover in this roundup at 500 lbs distributed. The main caveat: 90-plus lb panel assembly still needs two people to align rails during install.

Overview

What the BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed does well

Its case rests on highest weight rating of any folding cover in this roundup at 500 lbs distributed and panels latch automatically as you close each section, no separate locking step.

7 stars is the highest-reviewed hard cover for the F-150 in this article and 500 lb weight rating is the strongest of any folding cover listed here.

7 stars is the highest-reviewed cover in this entire article and 500 lb weight rating leads every folding cover compared here.

Specs that matter

Key features

  • Hard folding tri-panel aluminum design
  • 500 lb distributed weight rating
  • Automatic panel latching as the cover closes
  • No-drill clamp-on stake pocket mount
  • 5-year warranty, tested -40°F to 180°F
  • Matte black finish matches factory bed rail caps
The trade-offs

Pros & cons

Pros

  • Highest weight rating of any folding cover in this roundup at 500 lbs distributed
  • Panels latch automatically as you close each section, no separate locking step
  • 6,800 ratings at 4.7 stars is the strongest review volume-to-score combination here
  • No-drill stake pocket install avoids any warranty risk questions
  • 5-year warranty range (-40°F to 180°F) covers real climate extremes, not just a marketing number

Cons

  • 90-plus lb panel assembly still needs two people to align rails during install
  • Folded stack near the cab reduces clearance for tall cab-mounted accessories
Fit check

Should you buy the BAK BAKFlip MX4 Hard Folding Truck?

Buy it if you're…

  • Shopping for ford f-150

Think twice if this matters to you

  • 90-plus lb panel assembly still needs two people to align rails during install
  • Folded stack near the cab reduces clearance for tall cab-mounted accessories
Where it ranks

Featured in 3 best-of lists

ListRank
Best Hard Tonneau Covers· Best overall#1 / 10
Best Tonneau Covers for Ford F-150#1 / 10
Best Tonneau Covers· Top pick#1 / 10
Cross-shop

Alternatives to the BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed

Products ranked near it in our research, each better for a slightly different buyer.

Head-to-head

Compared with

Buying advice: tonneau covers

  1. Match truck model and bed length.
  2. Soft, hard folding or retractable.
  3. Hard covers resist theft.
  4. Seals reduce leaks.
  5. Consider bed access needs.
Answers

BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed: common questions

Is the BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed worth buying?

Yes, for the right buyer. The BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed ranks #1 in our Best Hard Tonneau Covers list (best overall). Its biggest strength: highest weight rating of any folding cover in this roundup at 500 lbs distributed. The main caveat: 90-plus lb panel assembly still needs two people to align rails during install.

Who is the BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed best for?

Based on our research it suits ford f-150. It's ranked #1 of 10 in our Best Hard Tonneau Covers list.

What are the downsides of the BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed?

The main trade-offs owners and reviewers point to: 90-plus lb panel assembly still needs two people to align rails during install; folded stack near the cab reduces clearance for tall cab-mounted accessories.

What are the key features of the BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed?

Hard folding tri-panel aluminum design, 500 lb distributed weight rating, Automatic panel latching as the cover closes, No-drill clamp-on stake pocket mount and 5-year warranty, tested -40°F to 180°F.

What are the best alternatives to the BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed?

Worth comparing: TruXedo Sentry CT Hard Rolling Truck Bed Tonneau Cover, Fits 2015-2024 Ford F-150 5'7" Bed, Retrax RetraxPRO XR Retractable Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed and Retrax RetraxPRO XR Retractable Truck Bed Tonneau Cover, Fits 2021-2025 Ford F-150 6'7" Bed. Each ranks near it in our research for a slightly different buyer.

Where can I buy the BAK BAKFlip MX4 Hard Folding Truck Bed Tonneau Cover, Fits 2015-2020 Ford F-150 5'7" Bed?

It's sold on Amazon. Prices and stock change often, so check the current listing before you buy, our link takes you straight to it.

Can you stand or walk on a hard tonneau cover?

Most hard folding and retractable tonneau covers are rated for 250 to 500 lbs distributed evenly across the closed panels, which is enough for an adult to walk carefully on, as long as weight is not concentrated on one foot near an unsupported panel edge or seam. BAKFlip MX4 and BAKFlip G2 are rated at 400 lbs distributed; UnderCover Ultra Flex is rated around 400 lbs; Gator EFX carries a similar rating. The rating assumes the cover is fully closed and latched, not partially open. Concentrated point loads, like a toolbox corner or a jack stand placed directly on the cover, can dent or crack a panel even within the stated weight rating. Never stand on a retractable cover's canister area, and always check the specific model's published weight rating before loading cargo or standing on top, since ratings vary by brand and generation.

How do hard tonneau covers handle rain and snow?

Hard folding and rolling covers use a continuous rubber bulb seal around the bed rail perimeter that compresses when the cover is latched, plus a tailgate seal where the cover meets the tailgate. This combination blocks wind-driven rain effectively and prevents standing water from pooling in the bed. Retractable covers add a canister seal at the front of the bed where the panels store when open. Snow accumulation on top of a closed hard cover is not a functional problem structurally (the weight rating covers typical snow load), but ice can form in the seal channel and make the cover harder to open until it thaws. For regions with heavy snow, brushing accumulated snow off before opening the cover prevents it from sliding into the bed opening.

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