I also have a PRO and have always heaved my kayaks onto the roof. But the PRO is so high with that rack, I had to lift them over my head and throw them into the J racks and then use a step ladder to climb up and strap them down. Taking them down was a pain as well as I had to climb the step ladder to lift them out of the J racks and hope I didn't slip off the ladder as the kayak was lifted over my head. I have some bad low back issues as well, so I just broke down and bought the Yakima Rack and Roll trailer. It was pricey but it'll last the rest of my life and the wife and I can easily place the kayaks on the trailer. I think it's the way to go.
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