It would be for minimizing chain slap as opposed to chain suck. Chain suck happens at the chainrings and stays.
David -- David Bilenkey Ottawa, Ontario, Canada dbilenkey@sympatico.ca
http://wooljersey.com/
> Here's something I haven't seen before :
>
> http://ebay.com/
>
> Is the arch (perpendicular to the chainstays) on the front
> side (where the cable slips through) a device for countering
> chain-suck ??
>
> I would like to buy a regular chainstay cable stop, hopefully
> one that says "Suntour" on it, for a 1977 bicycle. Exc or
> NOS condition please. Anyone on this list have one for sale? Thanx,
>
> - Don Gillies
> San Diego, CA, USA