SunRace M91 Rear Derailleur - 9-Speed, Long Cage, Black EA Rear Derailleur

RDM91.LD00.1S1.BX SunRace M91 Rear Derailleur - 9-Speed, Long Cage, Black Rear Derailleur EA Black Largest Cog 36 Color Black Rear Der/Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 8 Drivetrain Speeds 9 Weight 342 Chain Wrap Capacity (teeth) 45 Cage Length Long