Originally Posted by
onespeedbiker
What GeoKrpan means is Shimano MTB shifters are not compatible with Shimano road front derailleurs; the cable pull is different. I've heard it can work with a double, but it won't be precise as the cable pull will be off. However, Shimano does make several front derailleurs that work with both the larger road chainrings and MTB shifters; IRD makes one also.
You heard right, it works with a double AND with no issues, works well.