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Old 07-18-19, 07:22 PM
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Chombi1 
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Originally Posted by JohnDThompson
That's an A9 headset; the B10 had Delrin cups and race seats:


VeloBase.com - Component: Stronglight B10 Bernard Hinault (Stronglight B-Hinault on locknut)
Actually, it looks like an A9/B10 "hybrid" A9's are all aluminium, except only for the bearing cages. It seems like the fork crown race and the top head lug race are B10 Delrin pieces..... So what it essentially is, a "lightened" A9.....
Forgot to mention, the top locknut is most likely from a B10, but those were identical to A9 locknuts, except for the "Hinault" model branding.
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