Deore XT RD-M8100 Rear DerailleurLong cage is designed to be used with 2x12 drivetrain systemsOffers fast and shockless shifting thanks to HYPERGLIDE+ technologyThe low-profile design includes a bumper added to the derailleur pulley cageShimano Shadow RD+ technology reduces chain slap and creates a quieter drivetrainIncludes large 13t pulleyDrivetrain is silent in all gear positions with decreased rear derailleur and chain tension in low gearItem SpecificationsRear Derailleur Mount Type10x1 StandardRear Der/Shifter CompatibilityShimano MountainCage LengthLongDrivetrain Speeds12Weight284ColorBlackChain Wrap Capacity (teeth)45Largest Cog45
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