So I found out yesterday from my searching that these Tow Tuff Cargo/Bike racks are not RV rated. There were also some mixed reviews about quality of workmanship, missing parts, and lack of instructions.
So I ended up getting this...
Lets Go Aero BikeWing T4 4-Bike Rack - 2" Hitches - Tilting - Horizontal Wheel Mount
Item # B01458
https://www.campingworld.com/bikewin...four-bike-rack
What I really like about this is it can be 1 bike rack or two seperate bike racks. So if I decide to get an A frame hitch, I can carry two on the front and two on the rear.
It also helped that I had some discount certificates from CW to use which made this the best price over some popular competitors (even with tax and shipping).
Ron