Undercover FX11021 Tonneau Cover Flex 19 (New Body)-20 Silv/Sierra (w/o CarbonPro) 1500 6'7" w/o MultiPro TG
SKU: 91301200136

Undercover FX11021 Tonneau Cover Flex 19 (New Body)-20 Silv/Sierra (w/o CarbonPro) 1500 6'7" w/o MultiPro TG

Sale price$384.30 Regular price$427.00
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

Undercover FX11021 Tonneau Cover Flex 19 (New Body)-20 Silv/Sierra (w/o CarbonPro) 1500 6'7" w/o MultiPro TGIntroducing the next generation of folding covers the UnderCover Flex folding cover. Flex combines the best of both worlds, the security of a hard locking cover and convenience of a soft roll up cover. Constructed from the best materials available, Flex will withstand the abuse Mother Nature throws at it and keep coming back for more. Low Profile Ultra low profile design rests inside the bed rails allowing for a very sleek look. Full Access Built in

Introducing the next generation of folding covers -- the UnderCover Flex folding cover. Flex combines the best of both worlds, the security of a hard locking cover and convenience of a soft roll up cover. Constructed from the best materials available, Flex will withstand the abuse Mother Nature throws at it and keep coming back for more. Low Profile -- Ultra-low profile design rests inside the bed rails allowing for a very sleek look. Full Access -- Built in prop rods secure the cover allowing your truck to be driven with the cover fully open. Easy Removal -- Entire cover can be removed in seconds with no tools needed. Secure Design -- Plastic buckles and straps are included to secure the panels in the partially open position. FRP Composite Panels -- Lighter, stronger and higher dent resistance than aluminum. Weather Resistant -- Rubber seals and drain tubes channel water away from and out of the bed. Easy Clamp-on design. No other folding cover can match the Flex for versatility, security and function. Covered or uncovered, always an option with UnderCover.
  • Ultra Low Profile Design
  • Allows For Full Access To Your Bed
  • Built In Prop Rods Secure The Cover
  • Plastic Buckles And Straps Included
  • Rubber Seals And Drain Tubes Channel Water Away
  • Easy Clamp-on design and 3 Year Warranty

Additional Attributes:

  • GTIN: 192631020585
  • Key Lockable: No
  • Install Time: 15 Minutes
  • Full Bed Access: Yes
  • Front Opening: Yes
  • Color: Black
  • Actual Color: Black
  • Finish: Textured Black
  • Works w/Toolbox: No
  • Style: Hard Folding Cover
  • Sits on Truck Rails: Yes
  • Rails To Install: Yes
  • Paintable: No
  • Material: Aluminum
  • Low Profile: Yes

Packaging:

  • Quantity of Each: 1
  • Package UOM: EA
  • Dimension: 32.000 x 82.000 x 8.000 inches

PDF:

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91301200136

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4.1 ★★★★★
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Amazon Customer
Alexandria, US
★★★★★ 5
Solid Product
I was a bit skeptical based on the price ($85 total after taxes) but you can tell that for the price, this thing is sturdy and high quality. Holds solid onto the vent and keeps my iPhone in place. Easy to adjust and move to your liking, also easy to turn 90* and have your phone sideways. Only drawback is that is obstructs the view of the clock on my 4Runner and slightly obstructs my windshield, but I am sure I will get used to it.
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Reviewed in the United States on May 14, 2026
A
Verified Purchase
Annika Chestnut
Birmingham, US
★★★★★ 5
Great phone holder
I use this phone mount in my Subaru Impreza, and it works perfectly with my vents. It holds my phone super securely—no wobbling or slipping—so it’s great for navigation or hands-free use. Really solid and reliable for the price.
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Reviewed in the United States on November 5, 2025
A
Verified Purchase
Amanda & Josh
Lake Worth, US
★★★★★ 4
Excellent product.
First impression: excellent product. The only reason I deducted a star is because the price is obviously quite insane.
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Reviewed in the United States on February 26, 2026
E
Verified Purchase
Edward F Alves
Dallas, US
★★★★★ 5
A+ mount for 4Runners
This is the best phone mount I've ever had. Got it for my 2021 4Runner. Very strong, doesn't come loose, easy to place and remove the phone from the mount. Can't recommend enough.
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Reviewed in the United States on February 13, 2026
W
Verified Purchase
Wildman
Fort Morgan, US
★★★★★ 5
High quality
Very nice and secure. This one is built to last!
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Reviewed in the United States on May 11, 2026

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