Originally Posted by
andre nickatina
Use calipers to measure, sheldon has a good method on his website. Eyeballing it is bad news. Sounds like you should upgrade to a higher quality chainring, maybe Dura Ace or FSA if you have 144bcd.
Thanks - I'll check out Sheldon's site. It very well could be my crankset that is far from round - it is a square taper Nashbar triple with a Salsa ring.