CR timeline hubs were made in both freewheel and freehub variants (I have catalogue scans if anyone needs to see them), and I have post CR ~'86 Dura Ace 7400 series hubs in both freehub and freewheel versions. I don't think Dura Ace was exclusively freehub until ~'88-'89 or so.
David -- David Bilenkey Ottawa, Ontario, Canada dbilenkey@sympatico.ca
http://www.wooljersey.com/
> -----Original Message-----
> From: classicrendezvous-bounces@bikelist.org
> [mailto:classicrendezvous-bounces@bikelist.org] On Behalf Of
> Jerome & Elizabeth Moos
> Sent: October 12, 2006 8:28 PM
> To: Angel Garcia; CLASSIC RENDEZVOUS
> Subject: Re: [CR]Dura Ace hub question NOW history
>
>
> So does this mean that the only Dura-Ace conventional
> freewheel hubs ever made were the first Generation ones and
> that EX and more recent gruppos all used freehubs?
>
> Regards,
>
> Jerry Moos
> Big Spring, Republic of Texas
>
>
>
> Angel Garcia <veronaman@gmail.com> wrote:
> Dura-Ace history can be found here:
> http://dura-ace.shimano.com/
>
> Angel Garcia
> Verona, IT
>
>
> On 10/12/06, Tom Dalton wrote:
> >
> > It sounds like Rick is describing the first type of DA hub, which I
> > believe dates back to around 1974. I first saw the later hubs that
> > John describes, the later fully-polished hubs that were
> engraved "Dura
> > Ace," in the spring of 1984. In between Shimano introduced the Dura
> > Ace EX, the EX Direction 6 and the AX hub sets. I don't
> know the exact
> > years for all of those, but my point is that there are more
> than two
> > major variants on DA hubs. There are 4 in the CR timeframe and 6
> > beyond it. Then there are at least a couple of track hubs.
> >
> > There is one date I remember. I can remember seeing an ad
> for the new
> > EX cassette hubs in Bicycling while in my elementary school
> library,
> > which would have been late 78 or 79. Without seeing your hub, and
> > assuming that Shimano discontinued fist gen. Dura Ace
> production once
> > EX came out, your hubs are no later than 1979.
> >
> > Tom Dalton
> > Bethlehem PA USA