GTs58
I'm the Wiz, and nobody beats me!
Actually the the only version available in the drop down was the 24" one. Also the ad says 24" and 37-547 if you look closely, and I linked the AISN for the 24", but it also says 26" in one place, and then loads all the reviews for the 26". That was the confusing part. I'm not sure what you would get.
Another one of those deals. Like buying a pair of shoes online. Before everyone was out of stock, these tires were 19 bucks. The situation doesn't seem like it's going to get any better anytime soon so if one can actually find them, they better jump on it.