The important bit you're measuring is centre to flange, it's just easier to do that by measuring from the end of the axle or locknut to flange and taking that off half the axle length or OLD.
Oh yeah of course. Now ive had a coffee this is obvious
@snottyotter started
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The important bit you're measuring is centre to flange, it's just easier to do that by measuring from the end of the axle or locknut to flange and taking that off half the axle length or OLD.