Now this is interesting as on here it is mentioned the IS 42 is the standard bearing size to use.
Does that mean the widths are different
Sorry missed this. Which one of these measurements are you meaning by the width?
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I mean the 8mm at the top and 6.3 on the bottom of your diagrams.
As for the crown race, I'm going on what others have used and what was on the fork.
I have little idea, as mine has had the bearing replaced sometime in the past.
Am more confused than before.
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Now this is interesting as on here it is mentioned the IS 42 is the standard bearing size to use.
Does that mean the widths are different