SHIMANO Shimano, Deore XT RD-M8100-SGS Rear Derailleur, 12-Speed, Long Cage, Black, For 1x

The Shimano Deore XT M8100 derailleurs brings a new level of drivetrain silence thanks to decreased tension in the low gear position and an added bumper on the pulley cage. Compatibility with SHIMANO's new 12-speed cassettes boosts range.