Motorhome
Manufacturer rates the rack for “RV/Travel Trailer” use with no more than two bikes.
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Manufacturer compatibility check
1UP USA Xtreme Duty: RV compatibility
1UP USA rates the Xtreme Duty for RV/Travel Trailer use with a two-bike maximum; the first tray is rated to 150 lb and the second to 120 lb.
Source checked 2026-09-14Independent summary
Manufacturer guidance by RV use
Fifth wheel
The verified manufacturer sources do not separately identify fifth-wheel use.
Travel trailer
Manufacturer explicitly rates the rack for Travel Trailer use with a maximum of two bikes.
Flat-towed vehicle
The verified manufacturer sources do not separately identify flat-towed-vehicle use.
Published limits we verified
RV max bikes2
First tray150 lb
Second tray120 lb
Receiver2" or 2.5"
Max tire5.25"
Max wheelbase57"
Conditions that can change the answer
- RV/Travel Trailer use is limited to two bikes.
- Published tray limits are 150 lb for the base tray and 120 lb for the first add-on position.
- A Wheel Chock is recommended by 1UP USA for bikes over 75 lb.
- Do not assume cargo accessories inherit RV approval.
Do not treat this as a safety certification. Your regional product version, vehicle, receiver, rack configuration, bike weights and current manufacturer instructions must all be within their own limits.
Manufacturer evidence
We manually normalize factual compatibility information from manufacturer sources. We do not reproduce product photography or substantial marketing copy.
Evidence market: U.S./North American manufacturer source/model variant unless otherwise stated. Regional instructions can differ.
Product source: 1UP USA — Xtreme Duty
Manufacturer instructions: open supporting guidance
Last checked: 2026-09-14