There were curved-lever skewers pre-CPSC intended for track use. David Feldman
> I've always thought that the curved skewers were post
> CPSC, but I don't have any solid reason for believing
> this. I have seen some wierd curved QR's that look
> like a regular straight QR that has been bent over a
> curved surface. Unlike the normal curved QR's they
> have the block letter markings as seen on the straight
> QR's. They are rare and I'd like to find a set. I
> figured they were early CPSC levers, but maybe they
> are pre-CPSC.
>
> Tom Dalton
>
> --- Mark Petry <mpetry@bainbridgeisland.net> wrote:
> > I think the 6 speeds were available prior to 77 /
> > 78, however my
> > recollection is that the curved skewer was out
> > before that, say '74?
> >
> > markp
> >
> > ----- Original Message -----
> > From: "Tom Dalton" <tom_s_dalton@yahoo.com>
> > To: "Mark Petry" <mpetry@bainbridgeisland.net>
> > Cc: <classicrendezvous@bikelist.org>
> > Sent: Tuesday, July 03, 2001 9:02 AM
> > Subject: Re: [CR]Re: Campy flat bladed QRs
> >
> >
> > > This suggests that six-speed spaced hubs (126.5 mm
> > > O.L.D.) were not available from Campy prior to
> > 1977,
> > > the year that the CPSC-compliant grouppo was
> > > introduced. My impression is that six speed
> > > freewheels were standard fare well before this
> > time,
> > > at least among "the pros".
> > >
> > > Tom Dalton
> > >
> > > --- Mark Petry <mpetry@bainbridgeisland.net>
> > wrote:
> > > > It is my OPINION that the flat bladed QRs with
> > > > conical end nuts were limited
> > > > to the 5 speed / 120mm OLD which is 5 speed.
> > > >
> > > > Best I can determine from your description the
> > end
> > > > nut with "2 coin edge
> > > > bands" is a Tipo part. All record end nuts will
> > > > have a chrome loop. The
> > > > later model record end nut will not be conical,
> > but
> > > > slightly domed on the
> > > > end to account for CPSC regulations.
> > > >
> > > > markp
> > > >
> > > > ----- Original Message -----
> > > > From: <RMAugust@aol.com>
> > > > To: <classicrendezvous@bikelist.org>
> > > > Sent: Tuesday, July 03, 2001 7:44 AM
> > > > Subject: [CR]Re: Campy flat bladed QRs
> > > >
> > > >
> > > > > I have a question about the proper vintage and
> > > > type skewers to match the
> > > > > first generation Super Record rear derailer.
> > I've
> > > > seen Campy flat bladed
> > > > > skewers with small acorn nuts securing the
> > handles
> > > > as well as ones using
> > > > "C"
> > > > > clips. Are both of them Record type or is one
> > from
> > > > a lesser gruppo, or are
> > > > > they of different vintages (or both) ?
> > > > >
> > > > > I've also seen different "vintage" skewer
> > nuts,
> > > > one conical with two "coin
> > > > > edge" bands and one conical with chrome loop.
> > Are
> > > > these from different
> > > > > vintages or different gruppos? I've also seen
> > the
> > > > cap portion (through
> > > > which
> > > > > the lever fits) with lettering engraved and
> > plain
> > > > caps as well. What's up
> > > > > with that?
> > > > >
> > > > > Thank you very much in advance for you
> > guidance.
> > > > >
> > > > > Randy
> > > > >
> > > > >
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