Originally Posted by Al1943
There is no reason that a Shimano 9-speed triple derailleur should not work with 52-42-30 chainrings if setup properly.
BTW the 10-speed derailleur is designed to run with 53-39-30 chainrings.
Al
Huh********** Where are you getting this from?
Please let us all know where it is stated that front derailleurs are specific to 9spd or 10spd.
And, please show a source that ties a specific derailleur to a specific chainring set.
I have not seen this and would like to know your source.