Just a query I took my bike to a workshop today to get the shims checked out and when I went and picked it up was told that the shims were all within tolerance and there was no need to replace any of them, bikes got about 16000 klms on it and this is the first time it's been checked. He reckons that this was normal because of the way I ride I mean I don't normally give the bike a really hard time. whats the opinion of the more knowledgeable among you