Originally Posted by cyccommute
If you have put a 3rd chain on a cassette and still have it work, you should consider yourself lucky. I've seldom been able to run even a second chain on a cassette without it popping like crazy.
Well, no wonder. If you think changing chains every 3000 miles is excessive.
If you actually change chains before they stretch all to hell, you'll have a cassette that'll serve you for a long, long time. (Chains are a lot cheaper and easier to replace than cassettes.
)