You folks that are talking about being able to easily source parts on Amazon and internet searches should realize that most of those parts on Amazon and the internet are coming from local bike shops that sell there. The reason they are relatively easy to find is because you are casting a wider net. Unfortunately, those sources are drying up now too. Those shops don't have some kind of magical backdoor to QBP (where a large portion of bike shops get stock). I work at a pretty large shop and we can't get most Shimano parts right now. SRAM availability is getting pretty bad too. Tires are getting harder and harder to find everyday. Once our back stock dries up, we won't be able to fix bikes requiring those parts. Most industry sources say that this will probably go on into early 2023. I hope they are wrong...