The Shimano XTR RD-M9100 rear derailleur is made with Shadow RD+ technology, making it more hidden under the cassette and less prone to damage. The carbon carriage provides high rigidity while reducing weight. Sealed bearings in the wheels guarantee smooth operation and high durability. The RD-M9100 is designed for 12-speed drivetrains with Shimano Micro Spline cassettes.
Shadow RD+ for optimal chain tension
Lower rear derailleur tension at low gear ratios to prevent excessive chain tension
A stop has been added to the rear derailleur carriage for quiet drive operation
13-tooth wheels with sealed ball bearings
Improved shifting performance
Lower sprocket combination
Quiet drive train
Low-profile design
For more aggressive riding
Optimized for the new drivetrain
12-row derailleur
Weight: 240g (SGS long travel)
Total capacity: 51T
Compatible chain: CN-M9100
Compatible cassette: 10-45 or 10-51(12rz)
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