Buy UnderCover Flex Hard Folding Truck Bed Tonneau Cover FX21002 fits 2004-2014 Ford F-150 Super Crew 5.5ft . The UnderCover Flex offers the best in function, providing bed protection and improved gas mileage up to 10% by way of . Notice that this Tyger tri fold pickup Tonneau cover offers pre assembled crossbars to ensure support and convenient fold up with the cover . Extang 44405 Original Trifecta Trifold Truck Bed Cover fits Ford F150 (Source: Amazon.com) Undercover Flex Hard Folding Truck Bed Tonneau Cover (Source: Amazon.com). Results 1 - 48 of 2485 - Get the best deal for Undercover Truck Bed Accessories for Ford F-150 from the largest online selection at eBay.com. Browse . Undercover Flex - Folding Bed Cover - 2015-2018 Ford F-150 5.5' Bed FX21019. 79.00. Results 1 - 48 of 11595 - Get the best deal for Undercover Truck Bed Tonneau Covers from the largest online selection at eBay.com. Browse your . Undercover Flex - Folding Bed Cover - 2015-2018 Ford F-150 5.5' Bed FX21019. 79.00. The UnderCover Flex is a hard folding truck bed cover that gives you the ultimate control of your truck bed, offering three secure riding positions. The cover is easy to install and remove with our easy clamp-on design, and is mounted flush with . Founded in 1999, they entered the truck bed cover market in 2001 with the 'UnderCover Classic'. This was the first . UnderCover Flex 2015-2019 Ford F-150 5.5ft Short Bed Ext/Crew Black TexturedApplication Summary:2015 UnderCover .