So I've had our 5th wheel for two years and started looking into tires. I've read and searched all kinds of tire threads. The tires oem tires are 235/80r16 E. The rims are good for 110 psi and made f...
The OPs concern is between LT235/85R16 and LT245/75R16. The 245 is about the same diameter as the ST235/80R16, but requires a wider rim. LT235's are an inch larger in diameter.