BAK 2019-2026 RAM 1500 | Rebel | RHO | TRX (w/o Ram Box) 5ft 7in Bed BAKFlip MX4 EZ-Lift - 450227
Protect your truck bed while adding premium functionality and sleek styling with the RealTruck BAKFlip MX4 EZ-Lift Hard Folding Tonneau Cover. Designed specifically for 2019–2026 Ram 1500 models equipped with the 5-foot 7-inch bed and without the RamBox Cargo Management System, the MX4 EZ-Lift combines rugged aluminum construction, industry-leading weather protection, and innovative Easy Open, Easy Fold, and EZ-Lift Technology for effortless everyday use.
Built using heavy-duty aluminum panels reinforced with high-density polymer cores, the BAKFlip MX4 offers outstanding security while remaining lightweight enough for one-handed operation. The integrated Flip Assist System, oversized paddle handle, and spring-assisted panels make opening and closing the cover smooth and effortless, even while wearing gloves. When fully folded against the cab, the MX4 provides 100% bed access, allowing you to haul oversized cargo without removing the cover.
Whether you're searching for the best 2025 Ram 1500 RHO tonneau cover, 2026 Ram Rebel bed cover, Ram TRX hard folding tonneau cover, BAKFlip MX4 Ram 1500, or BAK 450227, this premium hard folding cover delivers exceptional durability, weather protection, and convenience for work or adventure.
Important Vehicle Fitment Information
This tonneau cover fits ONLY:
- 2019 Ram 1500 (DT New Body Style)
- 2020 Ram 1500
- 2021 Ram 1500
- 2022 Ram 1500
- 2023 Ram 1500
- 2024 Ram 1500
- 2025 Ram 1500
- 2026 Ram 1500
Vehicle requirements:
- 5'7" (67.4") bed
- WITHOUT RamBox Cargo Management System
- Standard multifunction bed configuration
Fits both:
- Multifunction Tailgate
- Standard Tailgate
Does NOT fit:
- RamBox-equipped trucks
- 6'4" bed models
- Classic (DS) Ram 1500 models
- Ram 2500 or Ram 3500
Always verify your bed length and confirm your truck is not equipped with RamBox before ordering.
Innovative EZ-Lift, Easy Open & Easy Fold Technology
The latest BAKFlip MX4 introduces EZ-Lift Technology, dramatically reducing the effort required to raise and lower the tonneau cover.
Combined with Easy Open, Easy Fold, and the Flip Assist System, the cover operates smoothly using only one hand.
Benefits include:
- One-handed operation
- Reduced lifting effort
- Smooth spring-assisted opening
- Easy operation while wearing gloves
- Oversized ergonomic paddle handle
- Fast cargo access
Whether loading work equipment, groceries, camping gear, or recovery equipment, the MX4 makes accessing your truck bed effortless.
Full Bed Access in Seconds
Need your entire truck bed?
Simply fold the MX4 completely against the cab.
Benefits include:
- 100% bed access
- Haul oversized cargo
- No need to remove the cover
- Secure folded position
- Ideal for motorcycles, furniture, lumber, ladders, and jobsite materials
The integrated Flip Assist system keeps operation light while maximizing cargo versatility.
Premium Aluminum Construction
The BAKFlip MX4 is constructed from ultra-strong aluminum panels reinforced with a high-density polymer core, providing exceptional durability without adding unnecessary weight.
Construction features include:
- Aircraft-grade aluminum panels
- High-density polymer core
- Matte black finish
- Scratch-resistant surface
- Corrosion-resistant construction
- Lightweight design
- Long-lasting durability
This premium construction offers outstanding security while maintaining an attractive, low-profile appearance.
Superior Weather Protection
The MX4 is engineered to keep your cargo protected year-round.
Weather protection includes:
- Integrated perimeter seals
- Heavy-duty weather stripping
- Precision clamp system
- Tight sealing panel joints
- Drainage management system
These features work together to help keep rain, snow, dust, and road debris out of your truck bed while protecting valuable cargo.
Engineered for Extreme Conditions
The MX4 has been extensively tested to perform under harsh environmental conditions.
Testing includes:
- Temperatures from -40°F to 180°F
- Up to 95% humidity
- Long-term UV exposure
- Repeated opening and closing cycles
Whether you're dealing with northern winters, southern heat, or off-road adventures, the MX4 is engineered to perform.
Auto-Latch Security System
The integrated Auto-Latch locking system automatically secures the cover after closing.
Advantages include:
- Secure cargo protection
- Tight weather-resistant seal
- Easy operation
- Enhanced theft deterrence
- Reliable locking performance
When your tailgate is locked, your cargo remains securely protected beneath the cover.
Maintains Factory Visibility
The low-profile MX4 is engineered to preserve factory safety features.
It does not interfere with:
- Third brake light visibility
- OEM backup camera
- Rearward visibility
- Tailgate operation
The sleek design follows the body lines of the Ram 1500 while maintaining a clean factory appearance.
Simple No-Drill Installation
Installation is quick thanks to BAK's click-in mounting system.
Installation features include:
- No drilling required
- No special tools required
- Typically installs in under 30 minutes
- Clamp-on rail system
- Complete hardware included
Most owners can complete installation in their driveway using basic hand tools.
Built in the USA
Every BAKFlip MX4 is proudly Made in the USA using premium materials and precision manufacturing.
Your purchase is backed by:
- 5-Year Limited Warranty
- US-based customer support
- Proven RealTruck engineering
- Premium quality construction
Whether you're using your Ram for work, towing, overlanding, or daily driving, the MX4 is built to withstand years of dependable use.
Key Features
- Fits 2019–2026 Ram 1500 DT models
- Fits 5'7" bed only
- WITHOUT RamBox
- Compatible with Multifunction Tailgate
- EZ-Lift Technology
- Easy Open & Easy Fold operation
- Flip Assist system
- Oversized paddle handle
- Spring/torsion-assisted panels
- Auto-latch locking system
- Aircraft-grade aluminum construction
- High-density polymer core
- Matte black finish
- Full bed access
- Excellent weather protection
- Does not block third brake light or OEM camera
- No-drill installation
- Installs in under 30 minutes
- Tested from -40°F to 180°F
- Made in the USA
- 5-Year Limited Warranty