Deore XT RD-M8100 Rear DerailleurMedium cage derailleur for 12-speed drivetrain. Offers fast and shockless shifting thanks to HYPERGLIDE+ technology. The low-profile design includes a bumper added to the derailleur pulley cage. Shimano Shadow RD+ technology reduces chain slap and creates a quieter drivetrain. Includes large 13t pulley. Drivetrain is silent in all gear positions with decreased rear derailleur and chain tension in low gear. Item Specifications: Rear Derailleur Mount Type, Shimano Rear Direct Mount, Rear Derailleur Mount Type, 10x1 Standard, Rear Der/Shifter Compatibility, Shimano Mountain, Color, Black, Cage Length, Medium, Drivetrain Speeds, 12, Largest Cog, 45,.
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