Originally Posted by
TallRider
I'm not sure if Shimano's flat-bar road shifters have the same cable-pull ratio for front derailer as mountain bike groups or road-bike groups.
Someone around here (Jeff something I think) claims that the flat bar road shifters use the same front derailler pull ratio as the MTB groups. I've never tried it myself but it makes sense. Why reinvent the shifter when you can just change the front derailler to work with larger chainrings?