Tar remover then Isoprop then dry then stick good enough?
No. Solvent degreasing gets the bulk of oily contaminants off, but in the end you just create a lovely thin film of a few molecules spread over the surface if you only clean with solvents. https://www.youtube.com/watch?v=x7onZGqrYyY
Hmmm. I'm able to stick things the aluminium fork crown and not have them fall off, again solvent degreasing only. What makes the frame such a difficult proposition? Or is it just that the sticky stuff these things come pre-attached to is no good?
No. Solvent degreasing gets the bulk of oily contaminants off, but in the end you just create a lovely thin film of a few molecules spread over the surface if you only clean with solvents.
https://www.youtube.com/watch?v=x7onZGqrYyY