FYI this is what I put on the rear wheels of my Vegas. So far so good. It "says" it's only for big rigs, but if you're even slightly handy you should be able to figure out how to mount it on most any wheel or wheel cover.
(Don't pay attention to the reviews, the reviews on the exact same product but different pressure models have perfectly fine reviews. It's an impressive looking piece of hardware and should work fine.)
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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