Shimano XT RD-M8120-SGS Rear Derailleur – 12-Speed Long Cage Black For 2x. 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

Details