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.
Instantaneous shift response to rider input
Seamless gear changes
Shimano Synchronized Shift compatible
System communication with front derailleur
Advantage in all conditions
E-tube electric wire transmission guarantees stable performance
Low profile positions RD safely away from trail obstacles
1x, 2x and 3x compatible with GS and SGS cage options
Cage: Medium Cage or Long Cage
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