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.\nPowertraxPRO XR Tonneau Cover; Industrial Strength Aluminum Construction; GM 6.5' Bed 1500 (2019)\nBefore purchase please verify if you have New Body Style or Legacy (Chevy)/Limited (GMC) on 2019 Silverado/Sierra 1500 - This part is for the New Body StyleNOTE: This will fit models with or without Multi-Pro Tailgate\n2019 Chevrolet Silverado 1500 79.4 Bed, 2019 GMC Sierra 1500 79.4 Bed