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To be fair, I bought the bike new in 1995 when I was still very actively riding. I put an awful lot of miles on it over the course of the next ten years, commuting on it in addition to riding recreationally. I think I replaced the chainrings maybe twice at the very most. Then I pretty much stopped riding until two years ago.
When I started again, I went through the whole bike, of course. The chainrings looked great. Two years later they were shot. I ride 3-5 days per week, averaging maybe 150 miles per week. Is that about the normal wear rate?
These things are, of course, relatively cheap, readily available, and very easy to replace. I probably shouldn't worry about it. Seems to me, though, that I could buy a set of steel chainrings and not worry about it literally for the rest of my life. As an aside, it's a little distressing that I'm thinking about things like this in those terms...
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