Shimano XT RD-M8100 Rear Derailleur

Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range.

• Hyperglide+ offers fast and shockless shifting
• Silent and stable operation in all gears
• Low-profile design
• Extra wide range 12-speed drivetrain
• Decreased rear derailleur and chain tension in low gear
• New bumper added to rear derailleur pulley cage
• Bigger 13T pulleys with sealed bearings for increased drivtrain efficiency
• 284g