Deore XT RD-M8100 Rear Derailleur

• Largest Cog: 45

• 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

• Medium cage derailleur for 12-speed drivetrain

• Rear Derailleur Mount Type: Shimano Rear Direct Mount , 10x1 Standard

• Cage Length: Medium

• Rear Der/Shifter Compatibility: Shimano Mountain

• Drivetrain Speeds: 12