Hi, I believe +GF+ was George Fisher swiss BB. Excellent cast BB, used on many top Swiss bikes in the 1950-60's.
Craig 'Allegro +GF+ BB' Griffith
San Luis Obispo, Ca.
<classicrendezvous@bikelist.org> Sent: Friday, October 14, 2005 11:46 AM Subject: Re: [CR] Confente Lugs and BB - PHOTOS
> for those who are interested in seeing pretty good photos of the
> confente-designed lugs, on a 1984 medici pro-strada, head over to:
>
> http://www.raydobbins.com/
>
> ray dobbins
> miami florida
>
> --- John Jorgensen <designzero@earthlink.net> wrote:
>
> > Greg wrote regarding the solid seat lug ears on the Confente
> > frames...
> >
> > Yep, the binder bolt area looks solid (no open space), so it must be
> > investment cast. BB shell is a Gargatte I believe ("+GF+" markings),
> > fork
> > crown looks to be maybe IC too? Who cast the lugs? Microfusione?
> >
> > Greg- Mario while at Masi was working with Microfusione regarding IC
> > lugs for them.
> >
> > Solid Seat lug ears on an Italian bike have nothing significant to
> > say IC, Got to see the work of Masi in the raw pre IC lugs
> > both from here and Italy, a section of tubing was brazed into the lug
> > ear section, voids filled with brass, then sculpted back,
> > when I saw the process , I thought wow, that is labor intensive!
> >
> > Mario used the same BB & fork crown as he had used at Masi. just a
> > lot of filing & machining.
> >
> > I know his early frames used Bocama lugs, would love to see the very
> > early and very late to compare.. Best chance to get them
> > together at one time...'06 Cirque theme? Or, best at VR6 perhaps.
> >
> > My '68 Foirelli Coppi has these solid ears, as do many other Italian
> > bike of the period and prior.
> >
> > John Jorgensen
> > Palos Verdes Ca
> >
> > Where a big box from Italy just arrived...