Cinelli must have overcome the length constraints, because I have a 8.5cm 1R stem.
I've always let material proof override any written documentation. When it comes to bicycles, anything is possible. It seems as though the manufacturers did whatever it made sense to do at the moment and the documentation didn't always keep up.
> I'm a little late to this party :-), but according to my 1982-1983 Palo
> Alto catalog (p. 36),
> "Cinelli Road Stem 1/Record
> This stem has a hidden binder bolt and is clamped by an interior wedge as
> shown in the diagram. Because of its design, the shortest extension made
> is 9.5 cm. Extensions available with 22.2 mm diameter: 9.5 cm., 10, 10.5,
> 11.0, 11.5, 12.0, 12.5, 13.0, 14.0.
> Cat. No. 36-203 $29.98
> Extensions available with 22.0 mm (French) diameter: 10 cm., 11, 12, 13,
> Cat. No. 36-204 $29.98"
> There's a nice line drawing of the clamp mechanism; I could scan it but I
> have nowhere to post it right now. The clamp being buried in the body of
> the extension would certainly limit how close the bars could be brought
> to the quill.
> The same page shows the "Cinelli Road Stem 1/A" in lengths from 7 cm to
> 14 cm.
> Interesting they call them "1/Record" and "1/A"; elsewhere I've always
> seen "1R" and "1A".
> Karl "Hey, I got answer one!" Frantz
> Sterling, Massachusetts
> On Sun, 19 Nov 2000 23:47:49 -0500 gregparker1
> <GregParker1@compuserve.com> writes:
> > In a message dated 11/19/00 4:05:40 PM Eastern Standard Time,
> > firstname.lastname@example.org writes:
> > > The shortest Cinelli I've been able to find advertised is 10cm.
> > > (International Pro Catelog, 1982)
> > I believe I have an 85 mm old logo 1A.
> > Pete Geurds
> > Douglassville, Pa
> > The 1As definitely went down to 70 mm, as that's my wife's size
> > (in general, depending on TT length). I guess my recollection of
> > the 1R was a little fuzzy. I've never seen a 1R shorter than 95,
> > but it appears that they were made as short as 85 from what the
> > other folks are saying.
> > Greg "I stand corrected" Parker