Can anyone make an educated guess as to when SR headsets (specifically the PISTA model) switched from the 2mm spacer to the 4mm spacer? I'm trying to figure out which spacer is appropriate for my 80-83 Rossin.
Thanks Mark Buswell Rainy in SF, CA, USA
On Jan 23, 2007, at 11:00 AM, Jerome & Elizabeth Moos wrote:
> Since we are speaking of the Pista headsets, did SR Pista headsets
> have a lower stack height than SR Strada headsets, as was the case
> for NR headsets? And while we are on the subject, why were NR
> Pista a lower stack than Strada, or for that matter, why did Campy
> make different headsets for road and track in the first place?
>
> Regards,
>
> Jerry Moos
> Big Spring, TX
>
> Mark Buswell <mark@sisuhome.com> wrote:
> That's what I thought the conclusion was: SR headsets always had
> aluminum keyed washers. Early types were thin (standard) 2mm type,
> later ones were the fancier 4mm type, with PATENT CAMPAGNOLO
> engraving.
>
> The whole reason this thread started was because of this photo:
> http://tinyurl.com/
>
> I also just received 2 Super Record Pista headsets - one NOS with the
> thin washer, one used with the thick washer.
>
> Anyone have an idea of what year the switch was made? I don't see any
> of the PISTA models in the catalogs with the thicker 4mm type.
>
> Mark Buswell
> SF, CA, USA
>
>
>
>
> On Jan 22, 2007, at 8:32 PM, hersefan@comcast.net wrote:
>
> > Hmmm,
> >
> > I may well be mistaken on this - but wasn't there also a 2mm
> > aluminum keyed lockwasher that came with some early super record
> > headsets? I seem to have one on my 74 or so Raleigh Team bike -
> > and if memory serves me (which it doesn't always), I've seen SR
> > headsets in the box with a thin aluminum keyed lockwasher as well.
> > In fact, I don't recall seeing a steel lockwasher on any early SR
> > headsets.
> >
> > Mike Kone in Boulder CO
> >
> > -------------- Original message --------------
> > From: Chuck Schmidt
> >
> >> Here's a conundrum. See what you all think.
> >>
> >> The Super Record headset originally came with a chrome steel keyed
> >> washer that is 2mm thick. Later this was changed to a aluminum
> keyed
> >> washer with flanges and lettering around it that is 4mm thick.
> >>
> >> As Tom mentioned, there is a Campagnolo tool that clips between the
> >> wrench flats on the adjustable cup and lock nut to keep the two
> >> headset wrenches from slipping when you adjust the SR headset with
> >> the early steel keyed washer. Tullio eliminated the need for the
> >> special tool by going to the lighter aluminum keyed washer with the
> >> flanges that also kept the two headset wrenches from slipping.
> >> Lighter and a more sophisticated solution, right?
> >>
> >> Ahhhh, now the conundrum... is the 4mm keyed washer in aluminum
> >> lighter than the 2mm keyed washer in steel. Well the answer
> would be
> >> yes. But what about when you factor in that the steerer tube is 2mm
> >> longer when using the 4mm aluminum keyed washer rather than the 2mm
> >> steel keyed washer? Which is lighter now?
> >>
> >> Anyone?
> >>
> >> Chuck "things are never as they appear" Schmidt
> >> South Pasadena, CA USA
> >> http://www.velo-retro.com (reprints, t-shirts & timelines)