bicycle mirrors for safer rides-Shimano Deore RD-M5120 Rear Derailleur - 10-11 Speed

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Shimano Deore RD-M5120 Rear Derailleur - 10-11 Speed. Utilizing the SHIMANO SHADOW RD+ design the SHIMANO DEORE M5120 rear derailleur delivers consistent MTB shifting performance over rough terrain. positions.
  • Low profile design avoids damage from rocks
  • Chain stabilizing technology reduces chain drop and makes for a quiet drivetrain in all gears
    • TECH SPECS
    Color Black
    Drivetrain Speeds 10
    Drivetrain Speeds 11