Rim width question.

[Funky]

Hello, i wanted to know do these euc have same rim size (width) it's 40mm?

gotway clasic rim: EXN

kingsong 18xl

kingsong s18

Could not find any info on rims.. That's why i'm asking if someone knows their size.

Thanks.

[alcatraz]

I'd also like to know which wheels have wider rims. It makes for a more comfortable ride when the tire doesn't balloon. Narrow rim 18x3 can be nearly as comfortable as a wide rim 18x2.5.