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Old 05-13-2021, 05:16 AM   #21
CalandLinda
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I see what you posted but it doesn't add up. The specs do not match what I posted straight from the manufacturers site. The S637T is the only one in the 235/80R16G and is a 6.5 inch rim. And the rim on the trekwood site that they match with the S637 is only 6 inches. Something doesn't make sense.

And boy, trekwood is really proud of that tire. $417.51 each. Much better prices elsewhere.
I'm pretty sure the rim width range for the Sailun 637T is 6" - 7.5" with 6.5" being the normal measuring size. The 6.5" has been fully researched before, I just no longer have the reference.
 
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Old 05-13-2021, 09:47 AM   #22
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The S637T is the only one in the 235/80R16G and is a 6.5 inch rim. And the rim on the trekwood site that they match with the S637 is only 6 inches. Something doesn't make sense.
Montanas have come with 6" rims since forever. It is a perfectly appropriate size for Sailuns, Goodyear, what ever tire is commonly used.
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Old 05-13-2021, 01:12 PM   #23
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Great info! Thank you for all of the help. I think I have enough info to move forward.
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Old 05-16-2021, 01:15 PM   #24
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Customer yesterday was as looking for wheels and tires. I told him to check out Recpro for the wheels and as for tires I recommend Freedom Haulers in a 14 ply, 100 psi . After putting them on our High Country all our camping family had us order sets for them as well. They’re a great tire.
Most of us opted to go with a 235/85-16 so we could gain a little height and give more bed clearance.
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Old 05-16-2021, 02:35 PM   #25
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I have a complete set of wheels and tires. Where are you located. I upgraded to 19.5 boar wheels with Michelin tires rated at 3960# and 87 mph
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Old 05-17-2021, 09:08 AM   #26
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Me too.
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Old 05-17-2021, 01:57 PM   #27
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Sure looks like those tires are also 110 psi rated.
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Old 05-17-2021, 02:18 PM   #28
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They tread pattern looks exactly like my TransEagle 235/85-16 G rated all steel that I put on my rig.
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Old 05-23-2021, 07:53 AM   #29
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See https://www.trailer-wheels.com/ for rims


See https://simpletire.com/ for tires


Steel rims work fine, especially for the spare unless you are more into the nice looking aluminum rims. But either work with the steel being less money and higher rated.
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Old 05-23-2021, 07:56 AM   #30
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Also make sure to have steel valve stems if getting 110psi rims
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Old 05-23-2021, 05:49 PM   #31
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Thanks for the feedback

I settled on the Sailun S637 235/85R16 and white steel wheels. Nothing fancy, just functional. Thank you for all the suggestions.
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Old 05-26-2021, 10:06 AM   #32
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I settled on the Sailun S637 235/85R16 and white steel wheels. Nothing fancy, just functional. Thank you for all the suggestions.

Good choice, its nice to see you listen to the experienced members on this forum. I too run the same tire, and would not run another brand regardless of some that are reported here. Sailuns hands down the best RV tire on the market .
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Old 05-26-2021, 12:12 PM   #33
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WRT wheel width, first check with a reputable shop to see if the Sailun can be mounted on a 6" rim. If so, you wouldn't have to change out your wheels since the Sailun only has to be aired to 80psi to carry 3420lbs (see their load table chart.) OTOH, you'll want to be careful as someone else could unknowingly put the max psi, 110, in the tires.
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Old 06-07-2021, 10:17 AM   #34
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if a rim is rated to 80 psi what happens on a warm day when the temperature goes up to 90 psi or 100 psi?
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Old 06-07-2021, 11:07 AM   #35
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The same thing that happens on a 110lb rim...the pressure increases...in this case to somewhere around 120 to 125 normally, sometimes a bit more with higher temps. The 80lb rim can handle up to 95 to 100 before it might fail or loose bead seal.
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Old 06-07-2021, 02:41 PM   #36
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if a rim is rated to 80 psi what happens on a warm day when the temperature goes up to 90 psi or 100 psi?
Temps go up in degrees, not psi; its not a factor.
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Old 06-07-2021, 07:29 PM   #37
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Pretty sure the rim max pressure ratings are just like the max tire pressure ratings, cold pressure is what you set them at, and the design is capable of handling the normal pressure increases while rolling, and there is no need to reduce pressure during the day as that will cause you to have to pump them up every morning, back to the cold pressure .
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Old 06-07-2021, 09:54 PM   #38
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Generally speaking, a 10 degree F temperature increase will increase tire pressure 2 psi. My tire pressure monitor also indicates temperature, but since the sending unit is mounted on the valve stem, and spinning in ambient air, I don't rely on it too much, but i will watch the pressures change, and make a note of which tires show an increase (and therefore are running hotter).
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Old 06-08-2021, 10:28 AM   #39
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Pretty sure the rim max pressure ratings are just like the max tire pressure ratings, cold pressure is what you set them at, and the design is capable......
Correct.
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Old 06-09-2021, 03:41 AM   #40
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everything you wanted to know treadit


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