Shimano’s first mountain bike specific Di2 rear derailleur is also its most technologically advanced. Introducing Shimano Shadow RD + stabilization to Di2, the RD-M9050 couples unrivaled chain control that aggressive riders have come to love with shift performance that doesn’t degrade over time.
Whether cross country or trail riders run a 1x, 2x or 3x drivetrain, the ultra narrow profile help protect the drivetrain in tight trail sections. The refined rear derailleur geometry further improves the performance stability while Shimano Synchronized Shift enables system communication with the front derailleur.
Unrivaled Shift and Performance Stability: Shimano’s XTR M9050 Di2 rear derailleur delivers unrivaled chain control and shift performance that doesn’t degrade over time. With Shimano Shadow RD+ clutch technology, the RD-M9050 is the ultimate mountain bike rear derailleur. Its profile is narrower than ever, helping you squeeze through tight sections without worry of damage. A refined geometry augments Shimano’s already legendary performance stability while system communication with the front derailleur makes Shimano Synchronized Shift a possibility.
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