Re: [CR]Cambio Corsa Operation


Date: Mon, 30 Jun 2003 22:43:43 -0400
From: Newag@aol.com
To: classicrendezvous@bikelist.org
Subject: Re: [CR]Cambio Corsa Operation
cc: swampmtn@siscom.net
cc: swampmtn@siscom.net

Aldo, Steve-

Another measurement: from axle center to middle of QR lever bend (on '49 or later Testi) is nearly, but just under, 285mm. The shifter is set up on the seat stay so that the lever is exactly 35 mm below that, measured lever center to lever center.

Jonathan Agnew

In a message dated 6/30/2003 6:09:43 PM Eastern Standard Time, classicrendezvous-request@bikelist.org writes:
> Date: Mon, 30 Jun 2003 16:36:19 -0400
> From: "Aldo Ross" <swampmtn@siscom.net>
> To: "Mara & Steven Maasland" <TheMaaslands@comcast.net>
> Cc: classicrendezvous@bikelist.org
> Subject: Re: [CR]Cambio Corsa Operation
> Message-ID: <006101c33f47$4404d0a0$6cf9fea9@j4g1x1>
> References: <a72f95a72f05.a72f05a72f95@icomcast.net>
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>
> Just checked 2 more bikes - the '48 Olmo has 280mm qr lever and 140mm shift
> lever. The '52 Learco Guerra has P-R with another 300mm lever (closed).
>
> Aldo Ross
> Middletown, Ohio
>
> ----- Original Message -----
> From: Mara & Steven Maasland <TheMaaslands@comcast.net>
> Cc: <classicrendezvous@bikelist.org>
> Sent: Monday, June 30, 2003 11:31 AM
> Subject: Re: [CR]Cambio Corsa Operation
>
>
> > Aldo asked:
> >
> > > How long are the short and long version rods of the CC levers?
> > >
> > > Those on my '49 Bianchi Sport are 280mm qr lever (center of lever
> > > to center
> > > of axle) and 145mm shift lever (center of lever to first bend). I
> > > hopethese are the "short" version, as I can barely reach them at
> > > that length!
> > > The rod on the P-R mech is 300mm (center of lever to center of axle).
> >
> > Both of these lengths seem to indeed be the common ones. The cambio
> > corsa (the correct denomination for the short lever version only!) is
> > generally about 28 cm to the center of the Q/R. The cambio sport (the
> > correct denomination for the long lever version) is generally about 31
> > cm (I don't have any of these presently on hand to verify, so I am
> > going by memory. If anybody has one to check, please let me know.) I
> > can however state that I have personally seen quite a few variations,
> > as well as a few 'tuned' lengths going from about 25 cm
> up to close to
> > 35 cm.
> >
> > Steven Maasland
> > Moorestown, NJ