BAKFlip F1 vs UnderCover Ultra Flex
Originally published on Oct 20, 2020 | Updated on Aug 29, 2023


Any tonneau cover offers a degree of protection and security for cargo in your truck bed, but not every tonneau is created equal. Hard folding tonneau covers are among the most secure and versatile designs available, and two of the most popular covers in this category are the BAKFlip F1 and UnderCover Ultra Flex. To help you choose the best tonneau cover for your truck, we compare these similar truck bed covers.
Shared Features
Hard Folding Tonneau Cover The cover opens by unfolding toward your truck’s cab.
Locks With Your Tailgate To secure your cargo simply close the cover then shut and lock your tailgate. The tailgate must be unlocked and opened to access the cover’s latch.
Weight Capacity: Up to 400 pounds of evenly distributed weight can be placed atop the cover.
Buckle Straps: The cover can be opened up to its final panel and secure in place with the included buckle straps.
Dual Action Tailgate Seal The cover can be closed whether the tailgate is open or shut.
BAKFlip F1
UnderCover Ultra Flex
Full Bed Access
The cover folds up against your truck’s cab and can be locked in place with the included struts. It is safe to drive with the cover in this position.
Full Bed Access
The cover folds straight up at a 90-degree angle and can be locked in place with the included struts. It is safe to drive with the cover in this position.
Top Panels
The F1’s top panels are made of a composite material called FRP (fiberglass reinforced polymer), which is highly resistant to dents, dings, and heat.
Top Panels
The Ultra Flex’s top panels are made of durable, corrosion-resistant aluminum.
Lower Panels
The lower panels are made of powder-coated aluminum.
Lower Panels
The lower aluminum panels are lined with a soft but durable carpet-like material.
Finish
The cover has a gloss-black finish.
Finish
The cover has a matte-black finish.
Accessories
The cover leaves your stake hole pockets exposed, allowing you to install accessories such as bull rings and bed rails.
If you have questions about these or any other tonneau covers, chat or call our product experts.
Shop Now
RealTruck is your home for the best products to outfit your build for unforgettable adventures.
See More Tonneau Cover Articles Here...
- …
Join over 2 million RealTruck people
Get exclusive savings, insider information, and the latest RealTruck articles sent straight to your inbox.