Shimano RD-M5120 RD+ 2x11, 1x10, 2x10 Speed Rear Derailleur

Utilizing the SHIMANO SHADOW RD design, the SHIMANO DEORE M5120 rear derailleur delivers consistent MTB shifting performance over rough terrain. The low profile design avoids damage from rocks whiles SHIMANO's chain stabilizing technology reduces chain drop and makes for a quiet drivetrain in all gear positions.