Shimano XTR RD-M9100 Rear Derailleur (Black) (1 x 12 Speed) (Medium Cage) (GS) (Shadow Plus)

Shimano XTR RD-M9100 Rear Derailleur (Black) (1 x 12 Speed) (Medium Cage) (GS)
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Price: $273.99

Cage | Size:

  • Medium Cage | GS
  • Long Cage | SGS
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This is Shimano's XTR M9100 Rear Derailleur. The extra cog of 12 speed gives you more range and allows for smaller jumps between cogs to help you find the right gear.


  • Available in two cage sizes. The medium cage provides 28mm of extra ground clearance
  • Decreased tension at low gear position to prevent high chain tension
  • Bigger 13T pulleys 
  • Shadow Plus clutch reduces chain slap 

Speed: 1 x 12 Speed
Shifter Compatibility: Shimano Mountain (12 Speed)
Shift Mechanism: Cable Actuated
Max. Tooth: 45T (Medium Cage), 51T (Long Cage)
Min. Tooth: 10T
Chain Wrap Capacity: 35T (Medium Cage), 41T (Long Cage)
Cage Material: Carbon/Aluminum
Chain Retention: Shadow Plus
Color: Black
Weight: 237g (Medium Cage), 240g (Long Cage)

This product was added to our catalog on May 3, 2019