[Graham]

What I have noticed on all the ones that I received which have failed, is that there is a band of “elastic rubber” loose on the rim, so I suspect they have all been the “rubber toughened” Superglue types from different manufacturers.
Which you would think should work better with rubber slot car tyres…..?

The gap filling clear Gorilla glue sounds good, as that means that it should expand a little making it softer   A little bit of research reveals that it is a different chemical adhesive from the others, so does not include Superglue chemicals.

And “softness” has been a key reason mentioned to me as to why these other (non standard Superglues) were used, to allow the tyres to maintain a good tyre profile whilst cornering on the track.

Shoo goo I have heard mentioned before (it is purely a rubber adhesive in solvent without superglue) a flexible adhesive made for trainers etc. so I will set up a little experiment on my own with these alternatives on a set of standard tyres / rims and see which lasts the longest on the shelf.

And I do already have the Slot car Corner IC2000.