The Deore XT RD-M8100-SGS rear derailleur provides fast and precise shifting operations over a wide gear range. Guide and tension pulleys with 13 teeth and sealed bearings as well as a rubber damper reduce noise and increase ride comfort. They also improve the chain's grip under all conditions.

The Shimano RD-M8100 rear derailleur for the Deore XT 1x12-speed drivetrain is suitable for the use with both the large 10-51 teeth and the smaller 10-45 teeth Shimano CS-M8100 cassette.
Material: aluminium (painted), glass fiber reinforced polymer (GFRP)
Weight supplement: manufacturer's specs