I am looking for a bike carrier to mount on a travel trailer with a 2″ receiver, which carrier is the best?

I am looking for a bike carrier to mount on a travel trailer with a 2″ receiver, which carrier is the best?

Image by DSC_5543 Ernest (dwchiang)
Question by Dondra S: I am looking for a bike carrier to mount on a travel trailer with a 2″ receiver, which carrier is the best?
I need a carrier for at least 4 bicycles.

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