Originally Posted by
Igor_M
I fail to understand how my use of the past tense induced you in believing that I yet have to try either the beer-can or the shim solution.

Anyway it's not a big deal and me being the foreigner, maybe I just have to review my grammar.
I also doubt that there can be much of a difference between the Nitto and the VO shim so I will refrain from spending 15-20€ in the former (yes, that's the price I would pay to get it, skyhigh)
The alu foil wrap could be a good idea, I'll give it a try.
I think the confusion is that you said that "the whole system will still loosen", which implies that the loosening event is off in the future and you are just anticipating it. Had you said that it eventually did loosen, that would imply that you tried it and it failed. The fact that it loosens eventually, but not right away makes me think it's a retention of the bolt issue rather than a shim issue.
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Bikes: 1996 Eddy Merckx Titanium EX, 1989/90 Colnago Super(issimo?) Piu(?), 1990 Concorde Aquila(hit by car while riding), others in build queue "when I get the time"