A hard folding truck bed cover that comes with overwhelming new features and is topped off with an alluring matte finish. The Ultra Flex is in a category of its own. From the irresistible outward appearance to each component beneath the cover, the Ultra Flex has been carefully crafted to be the ultimate all-purpose truck bed cover.
All-new features that accompany the Ultra Flex include an integrated luminous rail light system for enhanced night vision, and a dual action tailgate seal, allowing for easy operation and you to close the tailgate with the cover-up or down. Multiple riding positions allow the user to ride with full access to their bed, and full weather protection is available if the cover is in the fully closed position.
Ultra Flex is an easy clamp-on application and can be installed and removed easily with our newly designed L-Rail’s. What’s more, the Ultra Flex is backed by a 5-year warranty, making it the most desirable folding cover on the market.
Please feel free to make use of the Ultra Flex installation instructions below to assist you. Upon purchase you’ll receive vehicle specific instructions. However, if you have further questions or need technical assistance, please call one of our knowledgeable installation experts at 866-900-8800.
The UnderCover Ultra Flex carries a 5-year warranty.
How does the Ultra Flex differ from the Flex?
The Ultra Flex has many different features than the Flex. Ultra Flex has a matte black finish, carpeted under panels, universal tailgate operation and an L-Rail install. The cover also comes with an integrated luminous rail light system for enhanced night vision. The Ultra Flex panels are made of aluminum providing strength and durability.
What is the install time on the Ultra Flex?
The Ultra Flex can be installed in about 45 minutes.
Is the Ultra Flex dent resistant?
Yes. The Ultra Flex panels are the thickest panels in the industry. Dent resistant, not dent proof.
Can you open and close the tailgate with the cover in the closed position?
Yes. The Ultra Flex provides dual action tailgate seal for easy operation. The tailgate can be opened and closed with the tonneau in the closed position.
What are the Ultra Flex panels made out of?
Aircraft Grade Aluminum coated with a matte black finish.
Where is the Ultra Flex made?
All UnderCover products are proudly made in the USA.
How easy is it to remove my Ultra Flex cover?
Simply unscrew the two elevator bolts and lift!
Is the Ultra Flex compatible with my bedliner?
Yes. The Ultra Flex will work with BedRug, spray-ins and any under the rail bedliner. Flex is also compatible with many aftermarket bed caps.
How can I get the side seals to lay flat on my new Ultra Flex?
After a day or two direct sunlight will be absorbed and help the seals lay flat.
How do I change the batteries in my B-Light system?
Remove the battery pack/switch panel from the hook and loop attachment. Unscrew the one screw and replace the batteries.
Solid aluminum panels polished with stylish matte black finish.
A refined and Ultra tough carpet-like finish gives the Ultra Flex an OE look and feel.
The integrated luminous rail light provides illumination in your truck bed at night.
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