Originally Posted by
T-Mar
They can be hard to discern visually if the inside of the steerer tube is dirty or corroded, as they are only 3.5mm wide by 0.35mm thick. Here's a picture of a Columbus steerer tube, with the helical ridges in pristine condition.
Thanks! that helps immensely. That does not look like the inside of my fork. Granted this is a Minnesota bike so the steerer tube is full of crud. I'll try to clean her up a bit more and get eyes on the inner face tonight.
Thanks again!