NEW Shimano Alivio RD-M3100 Rear Derailleur - 9-Speed, Long Cage height_5ft-03in Insulation Type: None

Insulation Type: None

Brakes: Shimano MT200 OR Promax DSK-925

- Designed to keep the rear derailleur guide pulley at an optimum distance from each sprocket for accurate SIS shifting

Weight: 86 g

Standard/PH2 screw drivers

NEW Shimano Alivio RD-M3100 Rear Derailleur - 9-Speed, Long Cage height_5ft-03in Insulation Type: NoneThe Shimano Alivio RD M3100 Rear Derailleur features Shadow RD technology to keep the derailleur safe from trail obstacles. Super low profile Shadow RD technology Cage Length Long Chain Wrap Capacity (teeth) 45 Drivetrain Speeds 9 Largest Cog 36 Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard, Shimano Rear Direct Mount