headset oddities

velomaniac":32vpmvr1 said:
Seen this in 1" headsets, its probably manufacturing/design tolerances.
Brit and American stuff seems ever so slightly looser than say European designed stuff.
My theory is what the UK/US define as say 1" and what someone working exclusively in metric define as 1" are not precisely in the same ballpark.
Shim the crown race with some tape or thin metal(coke can) or a few layers of varnish.

Cheers

That would be a nice idea if 1" wasn't EXACTLY 25.4mm.

It's far more likely to be manufacturing tollerances. Ther is a very fine line between a race sliding down a steerer tube and needing a ten tonne press to fit it, so the size don't need to be far out. :wink:
 
this one is even sufficiently tight that holding it upside down the race stays on. it's just removable by hand.
 
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