FWIW, I used ERD 539mm for the AK30. So I guess the number from Ambrosio website could be without nipple heads. I always measure spoke flush with nipple end, safer to round down from that. I built SP SV-8 to 32h rim, 3 cross, using 260mm spokes.
Thanks for the info, very much appreciated
@Heldring started
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FWIW, I used ERD 539mm for the AK30. So I guess the number from Ambrosio website could be without nipple heads. I always measure spoke flush with nipple end, safer to round down from that. I built SP SV-8 to 32h rim, 3 cross, using 260mm spokes.