Shimano Deore XT Rear Derailleur, RD-M8100-SGS, 1x12-Speed-Black

Sale priceRs. 10,380.00


SHIMANO DEORE XT - Rear Derailleur - SHIMANO SHADOW RD+ - 1x12-speed

The all-new SHIMANO DEORE XT M8100 series of derailleurs 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. To get the best performance, Shimano recommends using this rear derailleur only with 1x 12-speed drives.


  • Fast and precise shifting performance optimized to take on any trail
  • Wide range 12-speed drivetrain with low sprocket combination -10-51T
  • Silent drivetrain in all gear positions
  • Decreased rear derailleur and chain tension in low gear
  • New bumper added to rear derailleur pulley cage
  • Bigger 13T pulley


  • Model: RD-M8100-SGS
  • Series: DEORE XT M8100 Series
  • Material: aluminium, stainless steel
  • Version: 12-speed , long cage
  • Compatibility front drive: 1x
  • Compatibility Shifter: Shimano Deore XT SL-M8100 12-speed
  • Total capacity: 41 teeth
  • Max. Difference in front:  0T (only recommended for 1x drivetrain)
  • Low Sprocket (Max.): 51 teeth
  • Low Sprocket (Min.): 51 teeth
  • Top Sprocket (Max.): 10 teeth
  • Top Sprocket (Min.): 10 teeth
  • Pulley (teeth): 13T
  • Color: Black
  • Weight : 284g

Sizing Information

  • Size-Std.

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