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From: Ted Heise <theise@panix.com>
Newsgroups: rec.bicycles.tech
Subject: Re: Derailleur rattling?
Date: Thu, 15 May 2025 13:10:34 -0000 (UTC)
Organization: My own, such as it is
Message-ID: <slrn102bpua.8p5.theise@panix2.panix.com>
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On Wed, 14 May 2025 16:36:58 -0500,
  Mark J cleary <mcleary08@comcast.net> wrote:
>  On 5/14/2025 3:53 PM, Catrike Ryder wrote:

> > +1 to that last one. Making changes on the work stand is often 
> >    followed by a stop a mile or two out on the next ride to 
> >    get things right.

Yup.


>  He test road it and it was silent. He was a happy guy. Really 
>  over not much because it only had slight rub. The middle and 
>  small rear should be a working gear.

Just a minor comment on that last bit.  On my tandem, the chain 
doesn't like the two smallest cogs when on the middle ring.  
Tracked this down to chainline, basically the chain comes into 
contact with the inner side of the big ring and feints at shifting 
to it.  According to my tandem dealer, there's no simple fix to 
this, so I just don't use those combinations.

-- 
Ted Heise      <theise@panix.com>       West Lafayette, IN, USA