That looks pretty heavy duty - esp for 16 inch rim.
If any larger I would try and add a 1/3 to 1/2 thick plywood backer - make it as large as you can (and still keep it hidden in side the RV) to help spead out the load. Or try to add something that goes to the floor (inside RV) to add support?
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2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor
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