Accurate and dependable performance
Smooth & light shifting operation >> Double servo-panta mechanism
Wander freely >> Less chance to hit on obstacles >> Lower profile than current RD-M390
Smooth, long-lasting shifting >> Stainless steel adjustment bolts
Quick and easy installations >> Pre-assembled inner cable fixing bolt
Cage Length: Long
Chain Wrap Capacity (teeth): 45 teeth
Drivetrain Speeds: 9
Largest Cog (teeth): 34
Rear Der/Shifter Compatibility: Shimano Mountain
Rear Derailleur Mount Type: 10×1 Standard
Color: Black