Originally Posted by
Slaninar
You can hardly measure cassette wear, even with the correct tools. The best method is testing the old cassette with a new chain. If it skips, the cassette is worn.
It usually happens on a few, mostly used sprockets.
Of course, it could be the too thick, or too much grease on the pawls. Or both those things.
ha. you were right. I put on a newer 10s cassette, and couldn't get it to skip. it's funny, i learned that you can detect wear qualitatively from the cassette by looking at how the sprockets are worn, and this one didn't look very worn. but the evidence is clear, it wasn't the freehub. thanks!