Originally Posted by
OLDYELLR
Good luck with that. A crown race is hardened and a file won't touch it. Maybe a good carbide boring bar. The diameter will have to be precise. If it's loose it's no good either.
I should of said "Fork Crown Race Seat" sorry for the confusion. To our machine shop it really doesn't matter what it is; They can cut it, grind it, mill it, bore it etc. they have every machine imaginable.