Quick view Retrax Retrax 2021 F-150 Super Crew & Super Cab 5.5ft Bed PowertraxPRO XR - T-90378 Compare $2,949.99 The XR Series combines the PowertraxPRO MX with the integrated Trax Rail System that allows for unique and personal customization above your tonneau cover. The PowertraxPRO XR electric retractable truck bed cover combines industrial strength aluminum... Add to Cart Add to Cart