There is a French threaded Mavic headset up on Ebay, ending soon. It looks quite different from the examples sof this style of Mavic headset that I have seen previously. Apparently, it is all alloy, with no pressed in steel race inserts. How could this possibly last? Might it be a "for show only" prototype cranked out for a bike show, before production was really begun? It also seems to be unused, but quite corroded, which suggests that it may not have been anodized. All the examples I've seen were very nicely anodized. In fact, almost every Mavic part I can recall seeing was anodized, other than a few hubs. The lack of anodizing makes me wonder if it was not regular production. Finally, I'll speculate that if Mavic were going to do a pre-production prototype, it would be in the domestic thread spec.
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Tom Dalton Bethlehem, PA, USA
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