Roofnest Condor XL on Rivian R1T. Hangs about 10" off the back (short 4.5' bed) but crossbars are about 34" across and provide plenty of support! No issues with efficiency or stability,
Roofnest Sparrow Adventure rooftop tent is designed just for cyclists - Bikerumor
Roofnest Sparrow Adventure rooftop tent adds cross bars, brings all the toys -
6 Channel Crossbars for Rooftop Tents | Roofnest
Roofnest Falcon versus GFC RTT | Expedition Portal
DIY ski rack on RoofNest Falcon XL crossbars. Super simple. : r/rooftoptents
Roofnest's New Rooftop Tents Can Carry Up To 100 Pounds of Gear On Top!