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What international safety standards apply to bicycles? Seems to me that if you’re way out in international waters it’s not too surprising that no one is going to step in to stop you doing something this stupid. There’s not much jurisdiction.

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ISO 4210 comes to mind. There's also a handful of ASTM standards, F2043 for categories based on intended usage, and others specifying the testing requirements for frames etc. Not sure if legally required, but if my memory doesn't fail, all European-branded bikes I've seen are tested by those standards and categorized (e.g. cat 5 for downhill mountain bikes)

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.

Here:

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

That is not globally enforced.

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

These are for the US, it's written in law:

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

Those are for the US. They are not global.

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