Originally Posted by
Doug64
[/B]
The Simano 4503 FD is a great derailleur, but it does not work well with less than 11 tooth difference between chainrings. The back of the cage rubs on the next smaller chainring, e.g., When on the large chainring the back plate of the cage rubs on the center chainring...
Thanks for the info. My luck ran better when I used a FD-A553 with only an eight tooth difference between middle and outer chain rings.
Brad