Originally Posted by
Trailroaster
Isn't me what says those values... Look what reynolds says about
:
Reynolds Cycling
There's lots of info out there.
Other examples are the Archetype & sons H rim... at a whooping 23mm width.
Almost everything on that page is talking about aerodynamics and not traditional rim/tire fitting.
https://www.biketiresdirect.com/tire-width-article
Tire Sizing Systems