Shimano XT is THE bang for your buck group set. With 90% of the performance of XTR at 50% of the cost, no other group offers such value for money. SRAM X.0 is close, but in my opinion XT has an edge due to its affordability.
The FD-M781 is a high clamp front derailleur for 3x10 systems. The clamp has a diameter of 34.9mm and included with the derailleur is a shim for use on frames with 31.8mm seat tubes.
The XT Top-Swing front derailleur for the new Shimano Dyna-Sys 10-speed drivetrain technology. The front derailleur is featured with the wide link design for increased stiffness and durability. The angled adjustment screws allow easy access with a screw driver. Specific designed plate for HG-X chain provides light action and reliable shifting.
The Dual-Pull technology allows the shifting cable to be pulled from the top and from the bottom.