Shimano XT RD-M8100-SGS Rear Derailleur - 12-Speed, Long Cage, Black, For 1x

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
• Long cage is designed to be used with 1x12 drivetrain systems