The Shimano Deore XT RD-M8100/M8120 rear derailleur is designed to provide smooth and stable shifting for 12-speed MTB drivetrains.
- Offers fast and shockless shifting
- The low-profile design includes a bumper added to the derailleur pulley cage
- Shimano Shadow RD+ technology reduces chain slap and creates a quieter drivetrain
- Includes large 13t pulley
- Long cage is designed to be used with 1x12 drivetrain systems