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 construction with an incredibly resilient matte finish. The XR Series optimizes cargo capacity with the cover open or closed, providing the ultimate versatility in cargo management. The Trax Rail System will work with most T-slot accessories from Rhino Rack, Yakima, Thule, and many more offering endless possibilities. Pairing the Trax Rail System with accessories offers double the cargo capacity. This unique technology frees up the hitch with the ability to mount bikes, coolers, outdoor gear and more on top of the bed cover by combining the Trax Rail system with the t-slot accessories.. PowertraxPRO XR Retractable Tonneau Cover - Industrial Strength Aluminum Construction - Electric Cover - 2004-2008 Ford F-150 5' 6" Bed without Stake Pockets. Retrax 04-08 F-150 Super Crew & Super Cab 5.5ft Bed PowertraxPRO XR. Maintains functionality of the cover with loaded cargo. Increased Cargo Capacity Above & Below the Cover. PowertraxPRO XR - 04-08 F150 5'6" w/out Stk Pkt. Opens and Closes Electronically with Keyfob. Integrated LED Cargo Light on the Canister. Industrial Strength Aluminum Construction. Compatible with most T-slot accessories. Sealed Ball Bearing Roller Design. Scratch Resistant Matte Finish. PowertraxPRO XR Tonneau Cover. Key Lockable In Any Position. Legendary Lifetime Warranty. Great For 5th Wheel Towing. PPXR 04-08 F150 5'6. Low Profile Design. Tonneau Cover

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