Don’t. Disc breaks are highly recommended and a front suspension as well. I converted an old trek steel frame touring bike and moved the conversion kit to a mo

Don’t. Disc breaks are highly recommended and a front suspension as well. I converted an old trek steel frame touring bike and moved the conversion kit to a modern hardtail after a month of commuting. It didn’t feel safe. That said what you want is a mid drive bafang bbshd. Dead simple conversion for any bike.