XTR REAR DERAILLEUR MEDIUM CAGE 12s

Specifications

Manufacturer
Shimano
Name
XTR REAR DERAILLEUR MEDIUM CAGE 12s
Series
M9100
MPN
RD-M9100-GS
Shifting Type
Cable
Slot consumption
All
Slots
Rear Derailleur
Weight (g)
237
Front Speeds
1
Groupset
XTR
Drivetrain Brand
Shimano
Rear Speeds
12

Shimano XTR REAR DERAILLEUR MEDIUM CAGE 12s

Rear Derailleur

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Compatibility

This Shimano XTR REAR DERAILLEUR MEDIUM CAGE 12s is a Shimano MTB rear derailleur. It requires a 12-speed drivetrain and compatible components. It is designed for cable shifting systems. For best performance, use with other M9100 components, though it is mechanically compatible with the parts listed below.

Compatible Shifters20

XTR BRAKE LEVER TRAIL I-SPEC EV CLAMP BANDRecommended

Shimano

XTR BRAKE LEVER TRAIL I-SPEC EV CLAMP BAND

XTR BRAKE LEVER XC I-SPEC EV CLAMP BANDRecommended

Shimano

XTR BRAKE LEVER XC I-SPEC EV CLAMP BAND

  • Uses cable shifting type
XTR SHIFT LEVER RIGHT 12sRecommended

Shimano

XTR SHIFT LEVER RIGHT 12s

  • Matches required 12-speed standard
  • Uses cable shifting type
XTR SHIFT LEVER RIGHT I-SPEC EV 12sRecommended

Shimano

XTR SHIFT LEVER RIGHT I-SPEC EV 12s

  • Matches required 12-speed standard
  • Uses cable shifting type
ALFINE HYDRAULIC DISC BRAKE LEVER I-SPEC B CLAMP BANDCompatible

Shimano

ALFINE HYDRAULIC DISC BRAKE LEVER I-SPEC B CLAMP BAND

  • Uses cable shifting type
Apex Shift-Brake LeverCompatible

SRAM

Apex Shift-Brake Lever

  • Matches required 12-speed standard
  • Uses cable shifting type
ASSIST SWITCHCompatible

Shimano

ASSIST SWITCH

  • Uses cable shifting type
AX Shift Lever (SL-A1206-R)Compatible

LTWOO

AX Shift Lever (SL-A1206-R)

  • Matches required 12-speed standard
  • Uses cable shifting type
AX Shift Lever (SL-A1216-R)Compatible

LTWOO

AX Shift Lever (SL-A1216-R)

  • Matches required 12-speed standard
  • Uses cable shifting type
BRAKE LEVER I-SPEC EV CLAMP BANDCompatible

Shimano

BRAKE LEVER I-SPEC EV CLAMP BAND

  • Uses cable shifting type
BRAKE LEVER I-SPEC II CLAMP BANDCompatible

Shimano

BRAKE LEVER I-SPEC II CLAMP BAND

CUES HYDRAULIC BRAKE LEVER FOR SINGLECompatible

Shimano

CUES HYDRAULIC BRAKE LEVER FOR SINGLE

  • Uses cable shifting type
CUES HYDRAULIC DISC BRAKE LEVER I-SPEC II CLAMP BANDCompatible

Shimano

CUES HYDRAULIC DISC BRAKE LEVER I-SPEC II CLAMP BAND

  • Uses cable shifting type
CUES HYDRAULIC DUAL CONTROL LEVER FOR DOUBLECompatible

Shimano

CUES HYDRAULIC DUAL CONTROL LEVER FOR DOUBLE

  • Uses cable shifting type
DEORE BRAKE LEVER I-SPEC EVCompatible

Shimano

DEORE BRAKE LEVER I-SPEC EV

  • Uses cable shifting type
DEORE XT 3-FINGER HYDRAULIC DISC BRAKE LEVERCompatible

Shimano

DEORE XT 3-FINGER HYDRAULIC DISC BRAKE LEVER

  • Uses cable shifting type
DEORE XT BRAKE LEVERCompatible

Shimano

DEORE XT BRAKE LEVER

  • Uses cable shifting type
DEORE XT BRAKE LEVER I-SPEC EV CLAMP BANDCompatible

Shimano

DEORE XT BRAKE LEVER I-SPEC EV CLAMP BAND

  • Uses cable shifting type
DEORE XT SHIFT LEVER RIGHT I-SPEC EV 12sCompatible

Shimano

DEORE XT SHIFT LEVER RIGHT I-SPEC EV 12s

  • Matches required 12-speed standard
  • Uses cable shifting type
DEORE XT SHIFT LEVER RIGHT12sCompatible

Shimano

DEORE XT SHIFT LEVER RIGHT12s

  • Matches required 12-speed standard
  • Uses cable shifting type

Compatible Cassettes11

Compatible Cranksets20

XTR CRANKSET 162 MM Q-FACTOR 52 MM CHAIN LINE 1X12sRecommended

Shimano

XTR CRANKSET 162 MM Q-FACTOR 52 MM CHAIN LINE 1X12s

  • Matches required 12-speed standard
  • Uses shimano hg plus standard
XTR CRANKSET 168 MM Q-FACTOR 52 MM CHAIN LINE 1X12s Recommended

Shimano

XTR CRANKSET 168 MM Q-FACTOR 52 MM CHAIN LINE 1X12s

  • Matches required 12-speed standard
  • Uses shimano hg plus standard
XTR CRANKSET 171 MM Q-FACTOR 56.5 MM CHAIN LINE 1X12sRecommended

Shimano

XTR CRANKSET 171 MM Q-FACTOR 56.5 MM CHAIN LINE 1X12s

  • Matches required 12-speed standard
  • Uses shimano hg plus standard
XTR CRANKSET 174 MM Q-FACTOR 55 MM CHAIN LINE 1X12sRecommended

Shimano

XTR CRANKSET 174 MM Q-FACTOR 55 MM CHAIN LINE 1X12s

  • Matches required 12-speed standard
  • Uses shimano hg plus standard
ALFINE CRANKSET WITH CHAIN GUARDCompatible

Shimano

ALFINE CRANKSET WITH CHAIN GUARD

Apex 1 Wide CranksetCompatible

SRAM

Apex 1 Wide Crankset

  • Matches required 12-speed standard
DEORE CRANKSET FOR 142/148 MM O.L.D. FRAMES 1X12s M6100 1xCompatible

Shimano

DEORE CRANKSET FOR 142/148 MM O.L.D. FRAMES 1X12s M6100 1x

  • Matches required 12-speed standard
  • Uses shimano hg plus standard
DEORE CRANKSET FOR 148 MM O.L.D. FRAMES 1X12sCompatible

Shimano

DEORE CRANKSET FOR 148 MM O.L.D. FRAMES 1X12s

  • Matches required 12-speed standard
  • Uses shimano hg plus standard
DEORE CRANKSET FOR 157 MM O.L.D. FRAMES 1X12sCompatible

Shimano

DEORE CRANKSET FOR 157 MM O.L.D. FRAMES 1X12s

  • Matches required 12-speed standard
  • Uses shimano hg plus standard
DEORE XT CRANKSET 176 MM Q-FACTOR 55 MM CHAIN LINE 12sCompatible

Shimano

DEORE XT CRANKSET 176 MM Q-FACTOR 55 MM CHAIN LINE 12s

  • Matches required 12-speed standard
DEORE XT CRANKSET 52 MM CHAIN LINE 1X12sCompatible

Shimano

DEORE XT CRANKSET 52 MM CHAIN LINE 1X12s

  • Matches required 12-speed standard
  • Uses shimano hg plus standard
DEORE XT CRANKSET 56.5 MM CHAIN LINE 1X12sCompatible

Shimano

DEORE XT CRANKSET 56.5 MM CHAIN LINE 1X12s

  • Matches required 12-speed standard
  • Uses shimano hg plus standard
DEORE XT E-BIKE HOLLOWTECH CRANK ARM SET M8100Compatible

Shimano

DEORE XT E-BIKE HOLLOWTECH CRANK ARM SET M8100

  • Uses shimano hg plus standard
Eagle 70 Transmission CranksetCompatible

SRAM

Eagle 70 Transmission Crankset

  • Matches required 12-speed standard
Eagle 70 Transmission E-MTB Crank AssemblyCompatible

SRAM

Eagle 70 Transmission E-MTB Crank Assembly

Eagle 90 Transmission CranksetCompatible

SRAM

Eagle 90 Transmission Crankset

  • Matches required 12-speed standard
Eagle 90 Transmission E-MTB Crank AssemblyCompatible

SRAM

Eagle 90 Transmission E-MTB Crank Assembly

Eagle S100 Crank AssemblyCompatible

SRAM

Eagle S100 Crank Assembly

Eagle S100 CranksetCompatible

SRAM

Eagle S100 Crankset

  • Matches required 12-speed standard
Eagle S200 CranksetCompatible

SRAM

Eagle S200 Crankset

  • Matches required 12-speed standard

Frequently Asked Questions

What fits with Shimano XTR REAR DERAILLEUR MEDIUM CAGE 12s?

Shimano XTR REAR DERAILLEUR MEDIUM CAGE 12s is compatible with shifters, cassettes, cranksets, chains that match its technical standards. Most importantly, it requires matching 12-speed components.

Can I use a higher or lower speed chain with Shimano XTR REAR DERAILLEUR MEDIUM CAGE 12s?

No, Shimano XTR REAR DERAILLEUR MEDIUM CAGE 12s requires a 12-speed chain. Chains for different speeds have different external widths and internal profiles, which will cause poor shifting or mechanical interference.

Does this Shimano XTR REAR DERAILLEUR MEDIUM CAGE 12s work with electronic shifting like Di2 or AXS?

No, this is a mechanical cable-actuated component. Electronic systems use internal motors and proprietary signals that are physically and electrically incompatible with mechanical components.

Can I mix Shimano XTR REAR DERAILLEUR MEDIUM CAGE 12s with Road components?

While some mechanical standards (like cassette spacing at certain speeds) may overlap, Shimano XTR REAR DERAILLEUR MEDIUM CAGE 12s is optimized for MTB use. Mixing with Road parts often fails due to differing pull ratios and chainlines.