In my experience, I’ve had to guess-and-check with various tires to figure out which ones will clear, because each tire model has a different final tire width based on the compound thickness and how round it sits when pressurized. Cervelo’s FAQ seems to agree that it depends on a lot, so it might be best to order from a shop that has a good return policy.
I’ve been burnt by filesystems when moving around between external drives and FTP, so while I’d strongly prefer if there was a universally accepted way to include arbitrary metadata in the file itself, I’m instead using a separate metadata file. My metadata files are named exactly the same as the original, including their original extension, with a “.metadata” appended, to minimize confusion, and use INI/TOML format to maximize the chances that I’ll be able to understand and find tools to easily parse the files after several decades.