---
product_id: 724747303
title: "RealTruck BAK MX4 TS Hard Folding Truck Bed Tonneau Cover | 449339TS | Fits 2021-2025 Ford F-150 (Including 2022+ Lightning) 5' 6\" Bed (67.2\")"
brand: "realtruck"
price: "$2758.74"
currency: USD
in_stock: true
reviews_count: 8
url: https://www.desertcart.us/products/724747303-realtruck-bak-mx4-ts-hard-folding-truck-bed-tonneau-cover
store_origin: US
region: United States of America
---

# Integrated T-slot rails for racks 22% stronger aluminum core 11x more durable Multi-Shield coating RealTruck BAK MX4 TS Hard Folding Truck Bed Tonneau Cover | 449339TS | Fits 2021-2025 Ford F-150 (Including 2022+ Lightning) 5' 6" Bed (67.2")

**Brand:** realtruck
**Price:** $2758.74
**Availability:** ✅ In Stock

## Summary

> 🚚 Elevate your Ford F-150’s style and utility with the toughest, smartest tonneau cover on the market!

## Quick Answers

- **What is this?** RealTruck BAK MX4 TS Hard Folding Truck Bed Tonneau Cover | 449339TS | Fits 2021-2025 Ford F-150 (Including 2022+ Lightning) 5' 6" Bed (67.2") by realtruck
- **How much does it cost?** $2758.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/724747303-realtruck-bak-mx4-ts-hard-folding-truck-bed-tonneau-cover)

## Best For

- realtruck enthusiasts

## Why This Product

- Trusted realtruck brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Weatherproof & Secure:** Multi-Shield matte black finish offers 11x greater resistance to scratches and scuffs, plus advanced seals keep your gear dry and safe.
- • **Sleek, Low-Profile Design:** Flush mount with your truck bed rails for a clean, modern look that complements your Ford F-150’s style.
- • **Quick Install & Easy Access:** Click-in clamps reduce install time by 12%, and the folding panels prop upright for full bed access without hassle.
- • **Next-Level Cargo Flexibility:** Integrated T-slot rails let you mount racks, cargo holders, rooftop tents, and more—expand your hauling game effortlessly.
- • **Unmatched Strength & Durability:** Built 22% stronger with high-density polymer-reinforced aluminum for heavy-duty use and long-lasting performance.

## Overview

The RealTruck BAK MX4 TS Hard Folding Truck Bed Tonneau Cover is a premium, vehicle-specific cover designed for 2021-2025 Ford F-150 5'6" beds, including the 2022+ Lightning. Featuring a high-strength aluminum and polymer core construction that’s 22% stronger than its predecessor, it boasts an ultra-durable Multi-Shield coating with 11x greater scratch resistance. Integrated T-slot rails enable versatile rack and accessory mounting, while advanced weather seals and drainage keep cargo protected. Its sleek, low-profile design and quick-install system make it the best-selling, all-weather truck bed cover for professionals who demand durability and style.

## Description

America’s best-selling tonneau cover just got an upgrade. Introducing the BAKFlip® MX4 TS, available exclusively from RealTruck®. This premium bed cover builds on the legendary MX4 with a significant addition—integrated T-slot side rails for mounting racks, carriers, rooftop tents, and other overland or cargo accessories. Built tough from robust aluminum, the MX4 TS features redesigned top panels with high-density polymer cores, delivering 22 percent more strength than the original. The ultra-low profile sits flush with your truck’s bed rails for a clean, sleek look, while the Multi-Shield® matte black finish offers 11x more surface durability and supports up to 400 pounds of evenly distributed weight. Engineered for all-weather performance, this cover features upgraded perimeter seals, tight-fit clamps, and a dual-action tailgate seal that allows tailgate operation in any position. Water is diverted through integrated drainage tubes and channels to keep your gear dry and secure. Cargo stays protected thanks to BAK’s auto-latching system, which secures the cover with every panel fold. Meanwhile, the T-slot rails expand your hauling options by enabling fast, secure installation of crossbars and other accessories—unlocking extra cargo capacity above and below the bed cover. Easy to use and easy to install, the MX4 TS opens by releasing the rear latches and folding forward. For complete bed access, it props upright against the cab with built-in rubber bumpers to prevent scuffs. Click-in clamps cut install time by 12 percent over the previous model. Proudly assembled in Missouri using globally sourced materials, the BAKFlip MX4 TS is backed by a 5-year warranty from RealTruck.

## Features

- Fits 2021, 2022, 2023, 2024, 2025 Ford F-150 (including 2022+ Lightning) 5' 6" Bed (67.2")
- THE BEST-SELLING TRUCK BED COVER IN THE WORLD NOW WITH BUILT-IN RACK COMPATIBILITY
- BUILT-IN RACK COMPATIBILITY | Integrated T-slot rails connect easily with racks, cargo holders, tents, and cross bars.
- MULTI-SHIELD PROTECTIVE COATING PROVIDES 11X GREATER DURABILITY | Multi-Shield defends against everyday scuffs and scratches, and increases durability by 11X.
- BUILT 22% STRONGER THAN THE ORIGINAL | Constructed for increased durability and heavy-duty use with a sturdy premium-grade aluminum surface and high-density polymer core.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | RealTruck |
| Style | Folding |
| Exterior Finish | Specialty Automotive Coating |
| Material | high density polymer-reinforced aluminum |
| Lock Type | Tailgate |
| Manufacturer | BAK |
| UPC | 192631051152 |
| Automotive Fit Type | Vehicle Specific Fit |
| Model | BAKFlip MX4 TS |
| Item Weight | 71 pounds |
| Product Dimensions | 70.38 x 24 x 9.75 inches |
| Item model number | 449339TS |
| Manufacturer Part Number | 449339TS |

## Product Details

- **Brand:** RealTruck
- **Style:** Folding
- **Exterior Finish:** Specialty Automotive Coating
- **Material:** high density polymer-reinforced aluminum
- **Lock Type:** Tailgate

## Images

![RealTruck BAK MX4 TS Hard Folding Truck Bed Tonneau Cover | 449339TS | Fits 2021-2025 Ford F-150 (Including 2022+ Lightning) 5' 6" Bed (67.2") - Image 1](https://m.media-amazon.com/images/I/61pjJIxjFOL.jpg)
![RealTruck BAK MX4 TS Hard Folding Truck Bed Tonneau Cover | 449339TS | Fits 2021-2025 Ford F-150 (Including 2022+ Lightning) 5' 6" Bed (67.2") - Image 2](https://m.media-amazon.com/images/I/61Wr4VX4tbL.jpg)
![RealTruck BAK MX4 TS Hard Folding Truck Bed Tonneau Cover | 449339TS | Fits 2021-2025 Ford F-150 (Including 2022+ Lightning) 5' 6" Bed (67.2") - Image 3](https://m.media-amazon.com/images/I/812nq+s96lL.jpg)
![RealTruck BAK MX4 TS Hard Folding Truck Bed Tonneau Cover | 449339TS | Fits 2021-2025 Ford F-150 (Including 2022+ Lightning) 5' 6" Bed (67.2") - Image 4](https://m.media-amazon.com/images/I/71HasVXHvkL.jpg)
![RealTruck BAK MX4 TS Hard Folding Truck Bed Tonneau Cover | 449339TS | Fits 2021-2025 Ford F-150 (Including 2022+ Lightning) 5' 6" Bed (67.2") - Image 5](https://m.media-amazon.com/images/I/81uggxPyclL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Installs easy, looks great, seems to function well on initial review
*by T***F on June 20, 2025*

Just installed it today and drove around for a few hours. Really good fit. Installation took me about 45 minutes. Very straight forward. Materials are all high quality. Finish is good. It either made it quieter or it quieted some of the frequencies that are most obnoxious. It rolls up tight and compact. It doesn't have a lock but when the tail gate is locked you can't open it. I think a real dedicated thief could get through, but it will stop those looking for just an easy target. Overall super happy.

### ⭐⭐⭐⭐⭐ Easy install and great fit, very solid and study.
*by G***. on April 14, 2025*

Great so far. We took our time and installed the tonneau in about 40 minutes. Looks great. The other comments about some aluminum filings were certainly true. I just used my air compressor and blew them off. There was a bit of a sharp edge on the leading edge of the aluminum channel at the lift gate that I filed down just so I would not accidentally cut myself. Hope the manufacturer reads this, it would be very simple to file this during manufacturing.

### ⭐⭐⭐⭐ Still the best, but quality has slipped somewhat
*by F***F on April 29, 2024*

Easy to install. Gets the job done & looks terrific. Flush fit is sleek and reasonably tight: Now for the bad. The product weighs substantially less than prior versions which I have purchased in the past for F150 Ford pick ups. They have worked a lot of manufacturing cost out of the product and in my opinion, sacrificed some durability along the way. Don’t think for a moment that you’re going to stand on top of this thing like you could with the past versions despite what some people say. If you value your life, don’t do it. However, because the panels physically weigh less they’re certainly easier to open and close. How much less? No I didn’t take the time to put them on a scale, but rest assured, they are dramatically lighter weight than the original. Keeps the water out of the bed for the most part. Overall, I still think it’s a good product, but I knocked off one star for clearly what they’re doing to the long-term durability of the bed cover.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-01-26*