Durable Hard Folding Truck Bed Tonneau Cover - UnderCover Flex

By: ‎UNDERCOVER

If you're looking for the best truck tonneau cover for your 2017 - 2022 Ford F-250/350 Super Duty 6' 10" Bed (81.9"), look no further than the UNDERCOVER Flex Hard Folding Truck Bed Tonneau Cover (FX21021). This tonneau cover is easy to install, made with high-quality materials, and designed to provide an overall satisfaction with its size. Get the best protection and style for your truck with the UNDERCOVER Flex Hard Folding Truck Bed Tonneau Cover.
76
B2B Rating
12 reviews

Review rating details

Value for money
83
Sturdiness
86
Size
96
Packaging
71
Overall satisfaction
84
Easy to install
80
Customer support
90
Build quality
91

Details of Durable Hard Folding Truck Bed Tonneau Cover - UnderCover Flex

  • Item Weight: ‎1 pounds
  • Brand: ‎UNDERCOVER
  • ASIN: B01LY5BMR4
  • Exterior Finish: Black
  • Model: ‎FX21021
  • Product Dimensions: ‎32 x 82 x 8 inches
  • Style: Folding
  • Item model number: ‎FX21021
  • Lock Type: Tailgate
  • Date First Available: September 13, 2016
  • Customer Reviews: 4.3/5 stars of 190 ratings
  • Manufacturer Part Number: ‎FX21021
  • Is Discontinued By Manufacturer: ‎No
  • Best Sellers Rank: #692,784 in Automotive #1,477 in Truck Tonneau Covers
  • Material: Aluminum
  • Exterior: ‎Black
  • Manufacturer: ‎Undercover

Comments

R. Garcia: This fits my 2023. Review all instructions especially any extra sheets pertaining to brackets and their "vehicle specific" positioning. There is usually a separate sheet.

United States on Dec 12, 2023

Amazon Customer: my friend own this brand for over year and recommended, it took me less then an hour to installed.
it's strong and reliable product.

United States on Aug 08, 2022

Eric: Had to remove the lid from my toolbox because the mounting rails reduce the width a couple of inches each side otherwise very good

Canada on Nov 13, 2020

Ferenc Torok: This is my ever truck bed cover, but I do like it. Service was excellent trough out . Product quality is good , looks great , fit and finish is great.
One little minus point is some of the screws on the lach mechanism was loose stripped tread . So I took slightly bigger screws and its good now.
I accidentally broke one if the buckle clip but the manufacturer ( supplier ) replaced it no charge.
I would strongly recommend this product and service .

Canada on Apr 09, 2020

TimTim: It doesn't take too much to figure out how to install it, it's pretty simple. Easy instructions. Just leave everything slightly loose so you can do some final little adjustments to make sure it's level and square. It looks very nice on my 2017 F250. I am hoping once the warm weather comes, the rubber will lay down a little better on the rails. As some comments have said, they don't lay down perfectly where the joints fold back. I assume that's because it is shipped as a folded unit and so has been folded up since it was made at the manufacturer. I'm not too worried about it.

It functions very well and I am very impressed with the build quality. No leaks. I ran the drain tubes into the small round holes in the stake pockets, as they were nice and high. That is a much cleaner look than running them lower and drilling holes into the plastic plugs at the front, lower area of your truck box. I love it!

United States on Jan 07, 2020

jbrnigan: Installed on a 2018 F-250, Super Duty, SB - As pointed out in other reviews, installation was pretty striaght forward, and after a few adjustments, the fit, finish and function were as advertised. It can be folded in thirds and locked upright with prop rods for full bed access. The "look" of the textured finish on the aluminum panels is a little dated, and my preference would have been a matte finish. I am very pleased with the ease of installation, and performance of this cover. Overall, the Undercover Flex cover seems to be a quality product made in the U.S.A.. I bought the cover from Amazon, after reading horror stories of purchases from on line re-sellers, that failed to resolve after sale issues. My cover arrived well packaged, undamaged and with all the necessary parts.
I originally had a very nice tri fold soft cover on this truck. That cover had separate latches on each side, in the rear, that needed to be unlatched to open the cover. Not a show stopper, but, very inconvienient when hooked up to my travel trailer. I either had to walk around the truck or climb over the trailer tongue to get to the "other" latch. This cover can be opened from either side, via a simple...

United States on Dec 02, 2018

Goodoz: 2018 F250 Short Bed -- The unit went in pretty easy but requires multiple adjustments/walk around/look around before lockdown. This is not a problem...just plan on multiple nudges/ pulls/ lateral changes (not the fault of the unit...it just is what it is). The rubber seals up top will scare you upon install (regarding waterproof) but rest easy...it just needs a few hours in the sun to settle everything down...the final seal (one or two days later) is pretty solid. I had my first hard rain on it this past weekend and it held up bone dry...only water in the bed was the drops that fell in when I opened the tailgate to look. All of the panels lock in place with zero manual pushes...just fold them back into place and let them drop...they lock into the rail channels every time (again, after initial adjustments). The unit is very low profile...sits low and looks great. The hard cover is resistant to tampering, for bed security, but won't hold up to a pry bar or large screwdriver...it's meant to keep honest people honest. I really like it and recommend with two thumbs up!! Cheers, Oz

United States on Sep 27, 2018

Durable Hard Folding Truck Bed Tonneau Cover - UnderCover Flex Soft Tri-Fold Truck Bed Tonneau Cover - Compatible with 2015-2021 Chevy Colorado & GMC Canyon by Tyger Auto T3 Tyger Auto T3 Soft Tri-Fold Tonneau Cover for Pickup Truck Beds
Durable Hard Folding Truck Bed Tonneau Cover - UnderCover Flex Soft Tri-Fold Truck Bed Tonneau Cover - Compatible with 2015-2021 Chevy Colorado & GMC Canyon by Tyger Auto T3 Tyger Auto T3 Soft Tri-Fold Tonneau Cover for Pickup Truck Beds
B2B Rating
76
97
97
Sale off $7 OFF $28 OFF
Total Reviews 12 reviews 700 reviews 1 reviews
Item Weight ‎1 pounds ‎22.3 pounds ‎23.3 pounds
Brand ‎UNDERCOVER ‎Tyger Auto ‎Tyger Auto
ASIN B01LY5BMR4 B019NUGJ5M B00L32LMVA
Exterior Finish Black
Model ‎FX21021 ‎TYGER T3 ‎TYGER T3
Product Dimensions ‎32 x 82 x 8 inches ‎64.17 x 61.97 x 1.38 inches ‎63.35 x 63.82 x 1.38 inches
Style Folding
Item model number ‎FX21021 ‎TG-BC3C1039 ‎TG-BC3T1030
Lock Type Tailgate
Date First Available September 13, 2016 December 21, 2015 June 16, 2014
Customer Reviews 4.3/5 stars of 190 ratings 4.8/5 stars of 5,288 ratings 4.7/5 stars of 6,826 ratings
Manufacturer Part Number ‎FX21021 ‎TG-BC3C1039 ‎TG-BC3T1030
Is Discontinued By Manufacturer ‎No ‎No
Best Sellers Rank #692,784 in Automotive #1,477 in Truck Tonneau Covers #7,429 in Automotive #14 in Truck Tonneau Covers #2,865 in Automotive #3 in Truck Tonneau Covers
Material Aluminum
Exterior ‎Black ‎Vinyl ‎Vinyl
Manufacturer ‎Undercover ‎No ‎Tyger Auto
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