FIRST LOOK: Yakima OnRamp eMTB 4WD rack - Australian Mountain Bike | The home for Australian Mountain Bikes
Found good bike mount option for Rivian R1T using Yakima Frontloader | Rivian Forum - R1T R1S R2 R3 News, Specs, Models, RIVN Stock -- Rivianforums.com
Rivian R1T w/Yakima Front Loader Bike Racks and Gocycle eBikes : r/Rivian