After doing more reading on bicycle maintenence, I have learned that typically a chain will only last 1500-2000 miles or so. I know that I have put about 2500 miles on my chain, and I bought the bike used, so I am not sure how many miles were on it beforehand.
In reading that a streched chain can cause cog wear, I am curious what things I need to look for to determine if I need to replace my casette. I am going to buy a new chain this weekend so I can track actual miles on it and keep on the safe side. But I have not seen or read any good descriptions of how to tell if/when the cog wear warrants replacement.