Shimano XTR RD-M9100

Black's Cycle Verified independent store

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Hyperglide+ offers fast and shockless shifting Silent and stable operation in all gears Low-profile design Two cage lengths available: SGS, compatible with 12 speed 10-51T cassette s, and GS, compatible with 11 or 12 speed 10-45T cassettes Decreased rear derailleur and chain tension in low gear New bumper added to rear derailleur pulley cage Bigger 13T pulleys with sealed bearings for increased drivtrain efficiency Weight: 240g (SGS) Attributes Cage SGS Maximum Cog 51T Minimum Cog 10T Primary Color Grey RD Capacity 41T RD Spring Type Shadow Plus RD Weight 240g Speed 11/12 Show more