Shimano XTR RD-M9100 Derailleur Outer Plate Assembly
Best replacement part for mountain bikers seeking precision repairs.
Keep your high-end drivetrain running smoothly with this essential replacement component. Designed specifically for long-cage configurations, this part restores structural integrity to the pulley assembly, ensuring precise shifting performance without needing to replace the entire derailleur unit.
$82.29
More XTR options
Shimano XTR M9100 Rear Derailleur
$330.00
Shimano XTR Mechanical Front Derailleur
$119.99
Shimano XTR RD-M9100-SGS Rear Derailleur
$273.99
Shimano XTR RD-M9100 Rear Derailleur
$299.99
Shimano XTR Rear Derailleur
$249.99
Shimano XTR Rear Derailleur RD-M9250
$645.00
Shimano XTR M9250
$664.99
Shimano XTR RD-M9250-SGS-C
$665.00
Shimano XTR RD-M9100
$258.90
Shimano XTR FD-M9070 Di2 Front Derailleur
$564.99
Shimano XTR Mechanical Front Derailleur
$119.99
Shimano XTR RD-M9260-SGS
$665.00
Shimano XTR RD-M9260-SGS
$665.00
Shimano XTR Front Derailleur
$91.99
Shimano XTR RD-M9100 Bracket Axle Unit
$39.60
Shimano XTR M9100-E
$129.99
Shimano XTR RD-M9100-GS
$330.00
Shimano XTR RD-M9250-SGS Di2
$665.00
Shimano XTR RD-M9100-GS
$330.00
Shimano XTR M9020 Front Derailleur
$59.99
Shimano XTR RD-M9250-SGS Di2
$665.00
Shimano XTR M9070 Di2 Front Derailleur
$159.99
Shimano XTR M981
$167.99
Shimano XTR M9100 Rear Derailleur
$229.99
Shimano XTR Di2 M9260
$665.00
Shimano XTR Di2 RD-M9250
$665.00
Shimano XTR Di2 Front Derailleur
$489.99
Shimano XTR Rear Derailleur Pulley
$49.99
Shimano XTR RD-M9000 Outer Plate Assembly
$85.50
Shimano XTR FD-M9100 Front Derailleur
$49.99
Shimano XTR RD-M985 Rear Derailleur
$50.99
Shimano XTR Di2 RD-M9250 Rear Derailleur Pulley
$58.00
Shimano XTR FD-M9000 Front Derailleur
$49.99
Shimano XTR Front Derailleur
$59.99
Shimano XTR Front Derailleur
$80.99
Shimano XTR Di2 RD-M9250 Rear Derailleur
$665.00
Who it's for
- Competitive racers seeking restored drivetrain accuracy and smooth gear transitions
- Weight-conscious mountain bikers looking to keep their high-end builds light
- Home mechanics prioritizing seamless installation and guaranteed component interoperability
Who should skip it
- Budget-focused riders who may find the replacement cost prohibitive
- Inexperienced cyclists without access to professional-grade bike repair tools
- Owners of older 11-speed or non-XTR systems needing broader compatibility
Performance breakdown
Material Durability
High-grade alloy construction matches the original component's robust structural integrity.
Installation Complexity
Requires precise mechanical skill and specific tools for proper cage alignment.
Compatibility Precision
Exact factory specifications ensure seamless integration with XTR M9100 systems.
Repairability Value
Saves the entire derailleur from replacement after minor crash damage.
Shifting Performance
Restores factory-level crispness and responsiveness to your 12-speed drivetrain.
Finish Quality
Matches the premium aesthetic and corrosion resistance of the stock component.
Key Specs
Color
Black
Model Compatibility
Shimano XTR RD-M9100 (SGS-type)
Drivetrain Speeds
12
Cage Length
SGS
Know before you buy
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