This 1358mm/53.5'' long full-size Slimline II cargo roof rack kit contains the Slimline II Tray, Wind Deflector and 2 Foot Rails to mount the Slimline II Tray to your Rivian R1T. It easily installs using the existing factory mounting points. No drilling required. All Front Runner Rack Kits contain installation instructions as well as all the components needed to mount the Slimline II Tray to your vehicle. All Front Runner Racks are backed by a limited lifetime warranty*