Shimano XTR RD-M9100 Outer Plate Assembly
Best replacement part for serious mountain bikers maintaining high end drivetrains
A precise factory replacement part that saves you from replacing an entire derailleur due to cage damage. It restores original shifting performance and structural integrity with a simple, direct-fit installation.
$112.50
More XTR options
Shimano XTR M9100 Derailleur Inner Plate
$13.44
Shimano XTR RD-M9000 P-Cover Unit
$17.00
Shimano XTR Di2 RD-M9250 Pulley Plate Assembly
$155.00
Shimano XTR Di2 RD-M9250 Rear Derailleur Cable Cover & Fixing Screw
$15.00
Shimano XTR Di2 Front Derailleur Mount Adapter
$46.30
Shimano RD-M9050 Chain Stabilizer Unit
$46.70
Shimano XTR RD-M9000 Rear Derailleur Outer Plate & Plate Stopper Pin
$59.31
Who it's for
- Competitive racers looking to shave every gram from their drivetrain
- Dedicated mechanics who prioritize seamless integration and factory standard performance
- Serious mountain bikers riding in harsh or muddy trail conditions
Who should skip it
- Budget-conscious riders seeking more affordable repair options for their bikes
- Aggressive trail riders frequently navigating extremely rocky or technical terrain
- Owners of older 11-speed or non-XTR drivetrains needing replacement parts
Performance breakdown
OEM Precision
Exact factory specifications ensure seamless integration with your existing derailleur cage.
Material Durability
High-grade alloy construction withstands the rigors of aggressive trail riding.
Installation Complexity
Requires specific tools and mechanical patience for a proper cage rebuild.
Shift Performance
Restores crisp, factory-level shifting accuracy to your high-end drivetrain.
Cost Efficiency
Saves significant expense by avoiding a full derailleur assembly replacement.
Compatibility Match
Designed exclusively for the M9100 series, guaranteeing a perfect fit.
Key Specs
Part Type
Derailleur Outer Plate
Compatibility
XTR RD-M9100 Rear Derailleurs
Cage Type
GS Type
Color
Black
Know before you buy
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