NEW Shimano XT RD-M8100 SGS Mountain Bike Rear Derailleur Shadow 12

Free Shipping to all 50 States!! *NEW*NOT A TAKE-OFF* NEW Shimano XT RD-M8100 SGS (Long Cage) Mountain Bike Rear Derailleur Shadow 12 Speed. FEATURES Silent and stable drivetrain Designed to work with 1x12 drivetrains SGS cage goes up to a 51 tooth cog 13 tooth pulleys instead of 11 tooth pulleys Decreased rear derailleur tension at low gear position, to prevent high chain tension at low gear Added bumper at rear derailleur pulley cage for silent operation Total capacity: 41T

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