Re: [CR]Frankenstein Bolts

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From: Chuck Schmidt <>
Subject: Re: [CR]Frankenstein Bolts
Date: Wed, 1 Aug 2007 13:47:28 -0700
To: classic rendezvous <>

Aldo Ross wrote:
> On the cambio Paris-Roubaix the adjustment is much more
> critical - if the qr lever engages too soon the indexing
> mechanism can't provide any chain slack, and the shifting
> mechanism can be affected. And just like with the cambio
> Corsa, if it's too loose, the qr can't hold the wheel in
> place.
> The adjustability of the frankenstein bolts was (and still
> is) convenient when using these shifters.

Great post Aldo, luv the movies of you shifting... one small point, I believe the 1949 single lever (called the Paris-Roubaix after April 1950)) came with oval-ring on the cone shaped adjusting nut, not the frankenstein bolts. Does anyone know for sure what style adjusting nut originally came on the Paris-Roubaix derailleur?

Chuck Schmidt South Pasadena, CA USA (reprints, t-shirts & timelines)