Originally Posted by
Andrew R Stewart
Thanks for following up. A bunch of years ago there were a few segmented fork failures that were posted and talked about on various forums. They have been referenced every so often since and it seems that inadequate wall thickness, vent holes, and heat management were part of the problems. Your "crown segments" are of significantly thicker wall that what I remember those failed forks had. Andy
That's interesting. I think people usually use 1.0mm cromoly or 1.6mm mild steel for handlebar stems. Those are a single cantilever and usually longer. So 1.6mm cromoly for crown segments ought to be more than enough. They are very short sections so it's not worth trying to save weight here.