Shimano XTR RD-M9100 11/12-speed Rear Derailleur (SGS-Max 51T)

R 3,995.00

RRP: R 4,995.00 Save 20%

In stock



Shimano XTR RD-M9100 11/12-speed Rear Derailleur

The Shimano XTR RD-M9100 11/12-speed rear derailleur features an elegant yet aggressive angled design and an attractive anodised aluminium surface. The derailleurs feature bigger 13-tooth pulleys and include Shimano’s proven Shadow RD+ low profile technology.

High-quality 11/12-speed rear derailleur for precise and fast gear changes: XTR RD-M9120 from Shimano

The use of a single or a double system requires the installation of the specific single or double rear derailleur (1x: RD-M9100-GS/SGS, 2x: RDs-M9120-SGS), whereby one version with medium-length (10-45T) or long cage (10-51T) is available for single systems.

Features - XTR RD-M9100 11/12-speed Rear Derailleur SGS

  • Shadow RD+ For optimal chain retention
  • RD-M9100-GS
    • 45T max cog size
    • Works with both 11-speed and 12-speed 10-45-teeth cassettes
    • Better ground clearance (28mm shorter cage)
  • RD-M9100-SGS  
    • 51T max cog size
    • Works with both 12-speed 10-51 and 10-45-teeth cassettes
  • Pulley size with 13T increased for reduced friction

Product features

  • Use: MTB
  • Group: XTR M9100
  • Model: RD-M9100
  • Mount: Direct Mount
  • Technology: Shadow RD+
  • Gradations:
    • GS-Type 1x11/12-speed (10-45 cassette)
    • SGS-Type 1x12-speed (10-51 / 10-45 cassette)
  • Compatible chain: CN-M9100 12-speed
  • Max. teeth large sprocket: 45T (GS) / 51T (SGS)
  • Min. teeth large sprocket: 45T
  • Max. teeth small sprocket: 10T
  • Min. teeth small sprocket: 10T
  • Max. Front Difference: 0T
  • Total Capacity: 34T (GS) / 41T (SGS)

Pulley cage

  • Type-SGS long


  • Aluminum
  • GFRP
  • Stainless steel
  • Steel


  • Type-GS 237g (manufacturer information)
  • Type SGS 240g (manufacturer information)

Scope of delivery

  • Shimano XTR 11/12-speed Rear Derailleur RD-M9100 SGS