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.
Stable drivetrain on the trail
Low-profile design avoids damage from rocks
Chain stabilizer reduces chain drop, slap and noise
Silent drivetrain in all gear positions
Decreased rear derailleur and chain tension in low gear