MaxxHaul 70231 Hitch Mount Pick Up Truck Bed Extender For Ladder, Rack, Canoe, Kayak, Long Pipes and Lumber) , Black , 37 x 19 x 3 inches

Are you able to close the tailgate with the loaded bike? If you can then its do able. Load the bike, pad the handlebars, place kayak on top, use a hitch rack raised up, tie front of kayak to front tow hooks, secure rear. https://www.amazon.com/MaxxHaul-70231-Extender-Ladder-Lumber/dp/B01D4CXIKY/ref=sr_1_3?ufe=app_do%3Aamzn1.fos.9fe8cbfa-bf43-43d1-a707-3f4e65a4b666

This is the one I got from Amazon for about $60. Super easy to assemble. Adjusts for height and width. https://a.co/d/00cmMxb0