Originally Posted by
frost_okc
Hey thanks. I went and bought that one. One reason being that my outer chainring seems to be worn/wobbly anyway, so this will help narrow down the problem, between a loose bottom bracket and the chainring. It was an AT btw.
One last question: Is there a standard way of measuring one's RPMs?
One does not narrow down a wobbly chainring by buying a new one. The spider (what the chainwheel is attached to) can be the source of wobble, and the bb is easily tested by pushing the crank arms from side to side.