Shimano’s bar-raising 12-speed groupset technology has reached the mid tier level with 12-speed XT transmission. Capable of handling a 10-51T cassette and the roughest terrain this system will not let you down. This derailleur is meant for 1×12 MTB drivetrains.
Shimano RD-M8100 XT SGS 12 Speed Rear Derailleur
$58.63