Shimano Alivio RD-M3100 9-Speed, Long Cage Rear Derailleur Apparel_Women's Cycling Shorts proprietary eye seals provide a

proprietary eye seals provide a comfortable and secure fit

REAR DERAILLEUR

Provides 50% more wear resistance than previous model (G03A)

Bike Commuting

1 x Smart kit

Shimano Alivio RD-M3100 9-Speed, Long Cage Rear Derailleur Apparel_Women's Cycling Shorts proprietary eye seals provide aThe Shimano Alivio RD M3100 Rear Derailleur features Shadow RD technology to keep the derailleur safe from trail obstacles. Super low profile Shadow RD technology Largest Cog: 36 Rear Derailleur Mount Type: Shimano Rear Direct Mount, 10x1 Standard Chain Wrap Capacity (teeth): 45 Cage Length: Long Rear Der Shifter Compatibility: Shimano Mountain Drivetrain Speeds: 9