Originally Posted by
wrk101
The key problem to look for is any rippling/buckling of the main frame tubes. If there is any such buckling, it usually occurs really close to the head tube lugs.
Sometimes a crash doesn't show up as tube distortion, but as paint disruption - looks for multiple lines in the paint or missing paint located behind the lugs and perpendicular to where the front end could have been impacted. Check both above and below the top and down tubes.