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Rear derailleur Shimano XT RD-M8100 1×12-speed

Monthly payment from 6.30  / 18 months


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. For 1×12-speed drivetrain systems.

  • Cage type: SGS (long)
  • Compatible chain: HG 12-speed
  • Fluoric coated link bushings: 4
  • Maximum LOW sprocket: 51T
  • Minimum LOW sprocket: 51T
  • Sealed Pulley Bearings
  • Pulley Teeth: 13T
  • Maximum Top sprocket: 10T
  • Minimum Top sprocket: 10T
  • Total capacity: 41T

Shadow RD+ : Less distraction quiet drive train. Rear Derailleur Stabilizer reduces chain slap. Simple solution for chain drop. Lighter and more efficient than roller type chain device.

Available on backorder

SKU: IRDM8100SGS Categories: , ,
  • Free global shipping on all orders
  • 30 days easy returns if you change your mind
  • Order before noon for same day dispatch
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Faster and shockless shifting
Low-profile design
Wide range 12-speed drivetrain with low sprocket combination -10-51T ONLY (not compatible with 10-45)
Decreased rear derailleur and chain tension in low gear
New bumper added to rear derailleur pulley cage
Bigger 13T pulley
Fast and precise shifting performance optimized to take on any trail
Silent drivetrain in all gear positions
Stable drivetrain on rough terrain


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