Shimano Deore XT FD-M781-A Front Derailleur is a top-pull, 2×10 front derailleur from Deore XT groupset. It can handle maximum chainrings of 42T, with a capacity of 14T. That means, smaller chainring can be minimum 28T, if 42T big chainring is used.
This particular model is braze-on type. It attaches to seatpost frame with a single bolt. Clamp types are about 10 grams heavier.
Deore XT M780 series released in 2012.