Bob Hanson wrote:
> This was on eBay. It's an old clamp on chainstay derailleur cable
> guide/stop from SunTour. Any idea what the wide flat top section would
> have been for? Chain hanger perhaps? Never seen one before.
>
> http://i20.ebayimg.com/03/i/06/3a/4d/d4_1_sbl.JPG
That's to help prevent chain slap from dinging the paint on your
chainstay. Really.