Rear Derailleur (9-speed)

Wide Link mechanisms for precise shifting.
  • pretty_bullet.png Sunken type pulley bolt
  • pretty_bullet.png Low profile design
  • pretty_bullet.png Smooth/light action shifting performance
  • pretty_bullet.png Wide Link for durability and precise shifting
  • pretty_bullet.png Match with various gear range (28-341)

Product Specs

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Model Number RD-M390
Series Acera
Shifting Action Top-Normal
Mount Type Direct Attachment
Maximum Sprocket 34T
Minimum Sprocket 11T
Front Difference 22T
Total Capacity 45T
Average Weight SGS