[afavour]

Sorry I phrased the question badly. I mean to say which standards are enforced by law globally? ISO 4210 certainly exists globally but I’m sure there are a great many countries where you can buy a bike that violates it.

[iancmceachern]

Here:

https://www.cpsc.gov/content/bicycle-requirements-business-g...

[SahAssar]

That is not globally enforced.

[iancmceachern]

Most standard aren't. Gwrmany has DIN, Japan has JST, we have ANSI, etc.