Deore XT RD-M8100 Rear Derailleur
Offers fast and shockless shifting thanks to HYPERGLIDE+ technology
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
Drivetrain is silent in all gear positions with decreased rear derailleur and chain tension in low gear
