Here are some pics of the Thule Raceway rack fitted. Will also take a second MTB no probs. The 3-bike version is, I believe, identical apart from longer arms. The arms can be angled individually so you can adjust the angle / height of the bikes. Did a 30 mile trip as shown with no problems, loosening, paint marking etc. Very quick and easy to refit and remove the rack once you've worked out the setup you want. We never carry more than two bikes so the VW racks are a bit OTT for us really. The arms can be folded flat against the tailgate when not carrying bikes. Set up as shown the rear visibility is still pretty good and the reversing camera, high brake light and number plate are only slightly obscured.
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So far very happy with it. Hope this is some help. Any questions please ask
A couple more just to show how it folds down: -
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