Well, I have an update for you.
I just saw, with my own eyes, eight sets of brand new Citabria/Decathlon gear legs ready to ship. Also saw at least three sets of Scout gear.
There is no shortage.
There was, during the worst of Covid. Our county went into lockdown, so nobody was in the shop.
And this is rumor - during that time, ACA did try - unsuccessfully - to get a new supplier on line.
Being in the lightplane manufacturing business is apparently a nightmare - engine production might be the biggest problem right now - but how many folks do we know who can drop a quarter mil on a Champ?