You can do HIIT exercises on a bike - more easily on a stationary trainer. People do it as a way to increase their FTP. I’ve not tried it as that kind of suffering isn’t my jam. But if you love cycling and want to do HIIT, you can

Broski, you got this!

Ah, not a thing here sadly. Maybe I’ll see if I can find a recipe myself. They sound interesting

Sounds interesting. Do you have a recipe handy?