Originally Posted by
JReade
Stupid question: what's the best way to know the bar diameter for a stem? I don't have a bar to put in it to clamp down on to know for sure. Also how to measure the stem length, from quill bolt to tip? Or?
My stupid answer

:
1. Invest in a $10 digital caliper. You'll find you use it all the time. You can also try a small metric ruler but a caliper is more versatile.
2. Stems are generally measured c-c from clamp to quill