Tell them I hate them
Join Date: Oct 2006
Location: Boise, ID
Bikes: Specialized Allez Epic '91, IRO Mark V Pro, Schwinn Traveler
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Know nothing about your Campy parts. Your chainring life depends on how well you maintain your drivetrain and how dusty your neck of the woods is and if you replace your chain on time. If you buy a new chain and it doesn't fit your chainring, it's worn. Your LBS has a tool (and you can too) that measures how worn your chain is. If you replace it when needed, you can get a lot more life out of the rings.
This has to do with the fact that your chain will need to be replaced first. By the time it falls apart though, it has "stretched" and the gears have been widened to match, no longer matching a new chain. So replace it more often and your cogs/rings will always be worn to a new chain's pitch.