Shimano

Shimano XTR RD-M9100-SGS Rear Derailleur — 12-Speed, Long Cage (SGS), SHADOW RD+, 10-51T, MTB

The Shimano XTR RD-M9100-SGS is the flagship 12-speed mountain rear derailleur, with SHADOW RD+ clutch and HYPERGLIDE+ for fast, quiet, precise shifting.

Flagship XTR 12-speed shifting with SHADOW RD+ clutch — genuine Shimano, brand new.

Will it fit? Long cage (SGS) 12-speed derailleur for Shimano XTR/Deore 12sp Micro Spline drivetrains up to a 10-51T cassette (41T capacity). 1x12; standard direct-mount hanger. Not for 11-speed.

Key Specifications

Brand Shimano
Series XTR M9100
Model RD-M9100-SGS
MPN RD-M9100-SGS
UPC 689228880252
Type Rear Derailleur
Speeds 12-Speed
Cage SGS (Long)
Max Sprocket 51T
Capacity 41T
Design SHADOW RD+ · HYPERGLIDE+
Weight 240 g (8.5 oz)
Color Gray
Country of Origin Japan
Condition Brand new — original Shimano packaging

Technology Highlights

  • ✓  SHADOW RD+ clutch for quiet, secure chain control.
  • ✓  HYPERGLIDE+ shockless 12-speed shifting.
  • ✓  13T pulleys, sealed bearings.
  • ✓  10-51T wide-range capability.

What's in the Box

  • 1 × Shimano XTR RD-M9100-SGS rear derailleur
  • Original Shimano packaging
Brand new in retail packaging. Ships from Ontario, California (US domestic) · Estimated delivery 3–5 business days · Free 30-day returns.
$219.99 USD
Regular price
Unit price
per

Pay in 4 interest-free installments of $133.12 with

Shimano XTR RD-M9100-SGS Rear Derailleur — 12-Speed, Long Cage (SGS), SHADOW RD+, 10-51T, MTB
$219.99 USD
Regular price
Unit price
per

Shimano XTR RD-M9100-SGS Rear Derailleur — 12-Speed, Long Cage (SGS), SHADOW RD+, 10-51T, MTB

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