Hard Folding Tonneau Cover for Ford F-150 – Flex 21–25 5ft 7in Textured Black Aluminum (Includes Lightning)

2025-09-05T08:08:55-06:00

Vendor: Undercover
Type: Bed Covers - Folding
Price: 999.99

Upgrade your Ford F-150 with a hard folding tonneau cover that delivers rugged protection and sleek style. The Flex 21–25 5ft 7in cover is designed for 2021–2025 Ford F-150 models, including the all-electric Lightning, offering full bed access and a low-profile fit that complements the truck’s bold design.

Made from durable aluminum and finished in textured black, this hard folding tonneau cover resists scratches and weather while enhancing your truck’s utility. The fold-up design allows quick access to your cargo, and the front opening feature makes it easy to reach gear near the cab. Installation takes just 15 minutes with no drilling required, and the cover mounts securely on your truck rails.

Whether you're hauling tools, gear, or weekend essentials, this cover keeps your cargo protected and your F-150 looking sharp.

Features and Benefits

Hard Folding Aluminum Design – Built tough for work and everyday use Full Bed Access – Fold-up panels allow complete access when needed Front Opening Feature – Convenient access to cargo near the cab Low Profile Style – Sits flush for a sleek, aerodynamic appearance Textured Black Finish – Resists scratches and adds rugged appeal Quick Install – No drilling required; mounts in just 15 minutes Specific Fit for 2021–2025 Ford F-150 – Designed for 5ft 7in beds, including Lightning models

Built for Everyday Utility

From job sites in Detroit to weekend trails in Colorado, this hard folding tonneau cover for Ford F-150 is built to handle whatever life throws at it. It’s the kind of upgrade that works hard, looks sharp, and keeps your cargo secure.

Specifications

Feature | Detail
Part Number | undFX21029
Fitment | 2021–2025 Ford F-150 (5ft 7in bed, includes Lightning)
Bed Length | 5ft 7in
Material | Aluminum
Finish | Textured Black
Install Time | 15 Minutes
Drilling Required | No
Full Bed Access | Yes
Front Opening | Yes
Lockable | No
Toolbox Compatible | No
Mounting Hardware | Included
Operation | Fold-Up
Paintable | No
Prop 65 Warning | Yes – Cancer and Reproductive Harm

Warranty
Installation Instructions
Installation Instructions

This Part Fits:

Year | Make | Model | Submodel
2021-2025 | Ford | F-150 | King Ranch
2021-2025 | Ford | F-150 | Lariat
2021-2023 | Ford | F-150 | Limited
2021-2025 | Ford | F-150 | Platinum
2021-2025 | Ford | F-150 | Police Responder
2021-2025 | Ford | F-150 | Raptor
2021-2025 | Ford | F-150 | SSV
2024-2025 | Ford | F-150 | STX
2021-2025 | Ford | F-150 | Tremor
2021-2025 | Ford | F-150 | XL
2021-2025 | Ford | F-150 | XLT
2024-2025 | Ford | F-150 Lightning | Flash
2022-2025 | Ford | F-150 Lightning | Lariat
2022-2025 | Ford | F-150 Lightning | Platinum
2022-2025 | Ford | F-150 Lightning | Pro
2023-2025 | Ford | F-150 Lightning | Pro SSV
2022-2025 | Ford | F-150 Lightning | XLT

REVIEWS

MB

This Flex cover is perfect for my Lightning. It looks great, installs fast, and gives me full access to the bed. No issues with fit or durability.

Matt B.

Flagstaff, AZ

★★★★★

SR

I’ve had this on my 2022 F-150 for months and it’s been awesome. The textured finish still looks brand new and the fold-up design is super convenient.

Samantha R.

Bend, OR

★★★★★