Thanks for the old thread, i'll be looking into it...
My bike hasn't got through the biopsy yet... the shop i bought it from and did all the maintenance by now got somehow closed... or at least for a while... and when i got it to another i found out it's holiday time

so at least a week until it gets opened then wait for the pieces to come and so on...
Back on the street bike now, it kind of sucks. No idea how i rode it and was very happy with it 2 years :P
I'd estimate a max of 5k out of the 27k being done off the asphalt and it was pretty mild mostly, so I don't think it failed due to abuse.
I'll post more details as soon as I find out more, for now I'm gonna check the older thread.