The Thule EasyFold XT # TH903202 is a great bike rack for e-bikes but it unfortunately doesn't have the strength to handle the extra movement at the back of a travel trailer. Because of this you're going to need to install a different hitch receiver on your trailer, like the Curt # E-100 for a 4" x 4" bumper, and then use a bike rack that is a bit more rugged and can handle that movement.
For your application I recommend going with the Swagman E-Spec Bike Rack # S94FR which is a bit more... view full answer...
Yes the Adco Polypropylene Storage Lot RV Cover for Travel Trailer # 290-74845 will fit your toy hauler that has a height of 110 inches when the measurement includes the AC unit. The recommended place to measure height is the box height without including the height of the AC unit. view full answer...