Shimano XTR RD-M9000 Rear Derailleur Outer Plate & Plate Stopper Pin
Best replacement part for mountain bikers seeking precise drivetrain restoration.
This is the surgical fix for a bent cage that saves you from replacing an entire high-end drivetrain component. It requires a steady hand and a bit of patience to install, but it’s the smartest way to restore factory-level shifting precision without the expense of a full derailleur swap.
$59.31
Who it's for
- Competitive mountain bikers seeking peak mechanical performance and reliability
- Weight-conscious racers looking to shave grams from their bike setup
- Mechanics and riders performing precise repairs on high-end drivetrains
Who should skip it
- Budget-conscious cyclists looking for more affordable repair options
- Owners of older or different Shimano drivetrain series
- Novice home mechanics without experience in advanced derailleur maintenance
Performance breakdown
Material Durability
High-grade alloy construction withstands the rigors of aggressive trail riding.
Installation Simplicity
Straightforward swap that saves you from replacing the entire derailleur assembly.
Compatibility Precision
Exact OEM specifications ensure seamless integration with your existing XTR drivetrain.
Shifting Restoration
Corrects cage alignment to bring back crisp, factory-level gear changes.
Cost Efficiency
Targeted repair avoids the significant expense of a full derailleur replacement.
Component Longevity
Robust design prevents premature wear in high-stress drivetrain pivot points.
Key Specs
Part Type
Rear Derailleur Outer Plate and Plate Stopper Pin
Compatible Drivetrain Brand
Shimano
Compatible Speed Count
11
Cage Length Category
Long (SGS)
Derailleur Position
Rear
Bike Type
Mountain Bike
Know before you buy
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