77's are definitely DA. There were quite a few framesets available so chances
are yours was built from one of those.

----- Original Message ----
From: Carino Daniel E A1C 49 ADOS/SGGFB <daniel.carino@...>
To: yfoil@yahoogroups.com
Sent: Wednesday, December 07, 2005 12:49:16 PM
Subject: RE: [yfoil] What size rider?

Are you sure? I own a 99 y77 and its 100% ultegra

________________________________

From: yfoil@yahoogroups.com [mailto:yfoil@yahoogroups.com] On Behalf Of
mike sowers
Sent: Wednesday, December 07, 2005 1:43 PM
To: yfoil@yahoogroups.com
Subject: Re: [yfoil] What size rider?


66 = Ultegra
77 = Dura Ace

--- Nathan Scot Montague <nathanscotsmu@...>
wrote:

> The first time I saw a Y-Foil was on e-bay in
> 2000. On impulse, I bid on it. The seller said it
> was a 54 cm bike and I thought, "I ride a 56 cm
> normally, going a little bit smaller would be OK".
> This bike had been ridden by the triathlete Mike
> Pigg and had his signature scrawled on the top tube.
> I knew nothing about Trek sizing, but like I said, I
> loved the bike immediately. I so wanted the LeMond
> V-2 Boomerang when it came out in 1993. When I
> received the Y-foil in the mail, I discovered that
> It was a 59 cm, but as I compared it to my steel 56
> cm bike, it was remarkably similar. I'm 5'10 & 1/4,
> with 32 inch inseam (long torso, short legs) The
> longer top tube was great, I could use a 110MM stem
> rather than mu usual 120 or 130. The bike seemed
> perfect, so I was lucky that it was a 59 rather than
> a 54. It would be interesting to have attempted the
> various seat post & stem combos to have tried to
> make the 54 work as well as the 59 has for me. A 59
> in a steel bike is something I can
> not straddle even though the top tube is often just
> the right length.
>
> That's my sizing story, now a question. What is
> the difference between a Y-foil 77 and a 66? At one
> point I thought it was threadless vs threaded fork,
> or built bike vs frame. I know that Trek would have
> the same frame with different components just
> changing the model number (silly way of doing it)
> but I've only seen Ultegra bikes. What is it?
> Scot
>
>
>
>
> aka66y <d.fournier@...> wrote:
> In response to Jim Rolfe "What size rider will a
> 51cm Y Foil be right
> for? the standover dimensions are as follows.
> Frame size 48 standover 727mm or 28.62"
> Frame size 51 standover 744mm or 29.29"
> Frame size 54 standover 750mm or 29.53"
> Frame size 56 standover 769mm or 30.28"
> Frame size 59 standover 797mm or 31.38"
> Frame size 62 standover 880mm or 34.65"
> I am 5'7" with a 738mm or 29" inseam so my 51cm.is
> the perfect bike (I
> refuse to denigrate her with lesser epithets) but a
> 48cm. frame would
> also fit,a 54cm. would not. So as Nick Nguyen stated
> earlier "It
> depends on your proportions".Hope this helps.
> Darryl
>
>
>
>
>
>
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