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Shimano XT RD-M8120-SGS Rear Derailleur 2x12-speed



The all-new Shimano XT RD-M8120 Rear Derailleur brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management, while compatibility with Shimano's new 12-speed cassettes boosts range. Weight: 290 grams

  •  2x compatible SGS cage 
  •  Faster shifting
  •  Low-profile design
  •  Extra wide range with front double 36-26T & close step 12-speed drivetrain with low sprocket combination -10-45T
  •  Decreased rear derailleur and chain tension in low gear
  •  New bumper added to rear derailleur pulley cage
  •  Bigger 13T pulley

Model Number
Item Code
Shimano XT RD-M8120-SGS Rear Derailleur 2x12-speed