Shimano RD-M591 Deore Rear Derailleur - 9 Speed

•Compatible with all Shimano 9-speed HG cassettes, 9-speed mountain shifters and 9-speed chains
•Fluorine coated link pin bushings
•On and Off- Road compatible with 28-34t low cassette sprocket
•Rear Derailleur Mount Type: Shimano Rear Direct Mount
•Drivetrain Speeds: 9
•Cage Length: Long
•Chain Wrap Capacity (teeth): 45 teeth
•Largest Cog: 34
•Rear Der/Shifter Compatibility: Shimano Mountain
•Weight: 299g.