Shimano Altus RD-M370-SGS 9-Speed Long Cage Rear Derailleur Black

Shimano Altus RD-M370/M310 Rear Derailleurs 11t upper and lower pulleys 9-Speed Item Specifications Color Black Largest Cog 34 Chain Wrap Capacity 45 Cage Length Long Drivetrain Speeds 9 Rear Der/Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard