BAK 1126133 Fibermax Hard Folding Tonneau Cover Chevrolet Silverado/GMC Sierra 2500/3500 20-25 6'9"
The BAKFlip Fibermax is another model in the extensive BAK® catalog. The leading tonneau cover manufacturer has engineered the Fibermax for exceptional durability and theft resistance, all wrapped in a sleek, low-profile package.
Rugged fiberglass-reinforced polymer (FRP) top panels withstand impacts, abrasions, and extreme temperatures far better than comparable soft truck bed covers or aluminum top panels. When coupled with the cover’s robust aluminum substructure, the FRP panels can withstand up to 300 pounds evenly distributed, allowing you to carry boards, plywood, or practically any other oversized cargo on top of the cover.
Stylistically, the BAKFlip Fibermax features an ultra-low-profile design, with the textured gloss-black FRP panels sitting practically flush with your pickup’s bed rails. When viewing your pickup’s profile, the flush-mount bed cover practically vanishes for a sleek, subtle appearance. The cover’s outer panels are also highly UV resistant, ensuring years of fade-free service.
The BAKFlip Fibermax offers exceptional security—far more than comparable soft tonneau covers. The bed cover’s rigid FRP top panels are cut and puncture-resistant, withstanding most break-in attempts. Additionally, the Fibermax offers superior weather-proofing thanks to its EPDM rubber hinges and perimeter seals, keeping water out of your truck’s bed. An internal water channel helps to redirect any liquid that finds a way past the seals, guiding it down the tracks and out integrated drain hoses.
Using the BAKFlip Fibermax is a breeze. With the tailgate unlocked and open, reach under the cover to access the release cables. Once unlatched, fold the cover forward and secure it in either the ⅔ open position or fold it once more against the rear window for full cargo access. If you’d like to drive in this position, engage the integrated prop rods and you’re ready to drive.
Installation is just as easy using the Fibermax’s included clamps, hardware, and instructions. No drilling or modifying is required—simply unbox, bolt-on, and go.
- Rugged fiberglass-reinforced polymer (FRP) top panels
- Textured gloss black finish
- UV-resistant for long-term durability
- Easy-to-use nylon buckle straps secure the cover in the open position
- Patented rail design with load-bearing flange
- Simple no-drill installation
- Allows for full bed access
- Premium EPDM rubber outer rail seals
- Conventional tailgate seal (close the tailgate before the bed cover for maximum water resistance)
- Integrated water drainage system
- 300-lb. weight capacity (evenly distributed)
- BAKBox2 compatible
- 3-year warranty
Brand | BAK |
Material | Fiberglass Reinforced Polymer |
T-Slot Rails | No |
Material Type | Hard |
Series | Fibermax |
Submodel | 6'9" Bed |
Type Cover | Hard Folding |
Color | Gloss Black |
Fitment | 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 3500, 2021 GMC Sierra 2500, 2021 GMC Sierra 3500, 2020 Chevrolet Silverado 2500, 2020 GMC Sierra 2500, 2020 GMC Sierra 3500, 2022 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 3500, 2022 GMC Sierra 2500, 2022 GMC Sierra 3500, 2023 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 3500, 2023 GMC Sierra 2500, 2023 GMC Sierra 3500, 2024 Chevrolet Silverado 2500, 2024 GMC Sierra 2500, 2024 Chevrolet Silverado 3500, 2024 GMC Sierra 3500, 2025 GMC Sierra 2500, 2025 Chevrolet Silverado 3500, 2025 GMC Sierra 3500, 2025 Chevrolet Silverado 2500 |
Box Weight | 71 lbs |
Box Length | 81 in |
Box Width | 23 in |
Box Height | 9 in |
UPCCode | 192631030362 |
Brand | BAK |
Material | Fiberglass Reinforced Polymer |
T-Slot Rails | No |
Material Type | Hard |
Series | Fibermax |
Submodel | 6'9" Bed |
Type Cover | Hard Folding |
Color | Gloss Black |
Fitment | 2020 Chevrolet Silverado 3500, 2021 Chevrolet Silverado 2500, 2021 Chevrolet Silverado 3500, 2021 GMC Sierra 2500, 2021 GMC Sierra 3500, 2020 Chevrolet Silverado 2500, 2020 GMC Sierra 2500, 2020 GMC Sierra 3500, 2022 Chevrolet Silverado 2500, 2022 Chevrolet Silverado 3500, 2022 GMC Sierra 2500, 2022 GMC Sierra 3500, 2023 Chevrolet Silverado 2500, 2023 Chevrolet Silverado 3500, 2023 GMC Sierra 2500, 2023 GMC Sierra 3500, 2024 Chevrolet Silverado 2500, 2024 GMC Sierra 2500, 2024 Chevrolet Silverado 3500, 2024 GMC Sierra 3500, 2025 GMC Sierra 2500, 2025 Chevrolet Silverado 3500, 2025 GMC Sierra 3500, 2025 Chevrolet Silverado 2500 |
Box Weight | 71 lbs |
Box Length | 81 in |
Box Width | 23 in |
Box Height | 9 in |
UPCCode | 192631030362 |