Originally Posted by
demoncyclist
I am not alone in finding that most commercial chain wear indicators are woefully inaccurate. I have even tried them on several brand new chains, and they have registered significant wear. A quality 12" steel ruler aligned with the pins is a much more accurate way to gauge chain wear. Nothing vague about lining up your targets.
Can you direct me to a link or video that explains how to do chain wear measurement with a ruler?