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@yoav
I thought this might be the first time I would say UTFS* but no, lockrings are not universal, there are 2 types (plus a 3rd one which is very rare so not worth worrying about.) There is ISO and there is Campag.
Sheldon is your friend, here.
*I have had exactly the same problem in the past, and have posted the same question here, so who am I to talk.