If you have a 46-inch wheelbase on your bike (measured front axle to rear axle), you will not have an issue with mounting that bike on the RockyMounts MonoRail Bike Rack for 2 Bikes - 2" Hitches # RKY10004. Since the cradles on the MonoRail are designed to fit bikes up to a wheelbase of 48 inches, you will not have an issue with the rear cradle on the rack. In order to give you perspective about how the rear cradle on the rack can be manipulated, I went ahead and attached a video that shows... view full answer...
It appears your 2021 Forest River - Cedar Creek Champagne Edition Floorplan, 38EBS, to be just under 42 feet. The Classic Accessories PolyPRO 3 Deluxe Extra Tall 5th Wheel or Toy Hauler Cover, # CA80-300-203101-RT fits RV's between 41' and 44'. I do suggest you verify the height against your model as that may be close in fitment.
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The Thule EasyFold E-Bike Platform Hitch Rack # TH903202 is rated for use on passenger vehicles such as cars, truck, SUVs, and vans, but not for use on the back of a trailer such as a 5th wheel.
We do have platform racks that are suitable for use on the rear of a trailer, such as your Cedar Creek. One comes from Kuate, and one from Swagman. I recommend the Kuat Transfer V2 Bike Rack - Wheel Mount # KU84FR and their Dispatch Frame-Mount Platform Rack # S44FR. Both of these carriers feature... view full answer...
Although trailer manufacturers do not keep any type of database of every part used in every year, make and model of trailer from your description it does sound like you have the Fan-Tastic Vent Roof Vent w/ 12V Fan # FV803350, which has a thermostat and rain sensor.
If this is indeed your vent the correct part is the Replacement Fan Motor Assembly Kit for Fan-Tastic Vent Roof Vent Fans # FVK8017-00, which comes with the bow-tie bracket, motor, and blade for your vent. view full answer...