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 - 2019-2024 (New Body Style) Ram 5' 7" Bed with RamBox with or without Multifunction Tailgate without Stake Pockets NOTE: Before purchase please verify if you have New Body Style or Classic Body Style on 2019-2024 Ram 1500 - This part is for the New Body StyleNOTE: When ordering the RamBox part numbers, the RamBox rails need to be the OEM factory silver cargo rails, not black, to function properly with our coversNOTE: Will work with or without Multifunction Tailgate 2019-2024 Ram 1500 67.4 Bed