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Fast, shockless shifting and low-profile design.
Large 13T pulleys increase efficiency.
Decreased tension in low gear and added bumper improve drivetrain silence.
12-speed rear.
The Shimano Deore RD-M8100 SGS Rear Derailleur brings a new level of drivetrain silence and decreased tension on rides. The fast, shockless shifting and low-profile design offer more precise shifting makes it ideal for any trail riding. Large 13T pulleys increase efficiency, and are compatible with Shimano's 12-speed cassettes.