Hi Fella,
I own one of the new Canzo's here >>
Excuse the poor picture 🙄
Mine is a 20'' and I'm about 6'3'' and running a 100mm stem at the moment. My understanding is that the sizes are pretty similar to the Kona range as its more akin to my 20'' Kona than my 19'' 😆
With regards to failures these were hardtail related. If you search on here I asked a similar question a while back and a chap from Sideways cycles clarified this.
I have complete confidence in mine. I weigh 100kg and ride reasonably hard…but I guess any frame can break.
I'll have a look for that thread…..