Hey Gene....The balloon tires are a real tight fit on these middleweights. I have tried and have only found one manufacturer tire that is doable even though it is a real tight one.
And for the life of me I can't remember which they are.
I have a set of these tires on my Huffy Eldorado. But the rub the fender stays so I had to tweak the stays by adding a slight bow in them. Also the clearance is so tight because of the height of the balloon tires it will rub the fender tips. Had 5 tweak them too.
As I recall h our Spaceliners have the older style springer front forks and that could create a clearance issue as well.
Because I have fallen in love with the balloon tire look lately, riding on the middleweight tires just feels like it's not meaty enough.
I'll post the name of the aftermarket tires once I remember them.
Sorry for the brain fart.