Description:

Shimano ACERA RD-M390 

Bicycle Rear Derailleur 

3S X 9S 27S 1 X 9 speed 

Dcbikes Product Features :

Model:RD-M390

Level:Acera

Long cage

Speed: 9 speed / or can be tuned to 8 Speed 

Package Includes :

1 X New Rear Derailleur without retail packaging

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