Re: [CR]Campy BB...Advice (And Parts) Wanted!

(Example: Production Builders:Tonard)

Date: Mon, 13 Oct 2008 18:03:31 -0500
From: "John Thompson" <john@os2.dhs.org>
Organization: The Crimson Permanent Assurance
To: CR discussion list <classicrendezvous@bikelist.org>
Subject: Re: [CR]Campy BB...Advice (And Parts) Wanted!
References: <BLU113-W576AB8BF5D323B46DB3960F5360@phx.gbl>
In-Reply-To:


devotion finesse wrote:
> One of the final remaining bits needed to get my recently acquired '71 Coln
> ago Super on the road is an appropriate Nuovo Record bottom bracket.
> To the best of my knowledge, I ought to be on the lookout for a 70-SS-120
> spindle. Can anyone tell me if it is critical that I find one from roughl
> y the same era that the bike was produced? Were there changes made to the s
> pindle length in later years of production? Will I run into problems if,
> say, I put an 80's NR spindle in?

Yes. As a result of CPSC rule changes around 1977, Campy redesigned their front derailleurs and drive side crank arms, and the spindle length had to change to accommodate this. IIRC, the Campy Only web site has a time line that might provide more detail.

--
John Thompson (john@os2.dhs.org)
Appleton WI USA