ShimanoDeore M590/M591 Front Derailleur
Will work with cransets with outer rings up to 48T.

FDM590X6 - Top swing with shift cage level or above mounting band. For use with full suspension models or frames where room is limited.

FDM591X6 - Conventional swing where the mountinmg band is above the shift cage. Normally used on hard tail frames.

Both fit all the common seat tubes (28.6/31.8/34.9mm) by using shims (supplied) and can be used with both top or bottom cable pulls