> what kind of checks should you go through to make sure a private bicycle seller is legitimate. If you can reasonably know something is stolen you are liable

> what kind of checks should you go through to make sure a private bicycle seller is legitimate. If you can reasonably know something is stolen you are liable under Dutch law. That applies to everything, not just bikes. Buying a new ATB for 50 Euro would be such a thing where you can reasonably know it was stolen.