Alivio M3100 Rear Derailleur (9-Speed)

The Shimano Alivio RD-M3100 Rear Derailleur features Shadow RD technology to keep the derailleur safe from trail obstacles.

• Super low profile Shadow RD technology

SPECS:

• Largest Cog:36
• Rear Derailleur Mount Type:Shimano Rear Direct Mount , 10×1 Standard
• Chain Wrap Capacity (teeth):45
• Cage Length:Long
• Rear Der/Shifter Compatibility:Shimano Mountain
• Drivetrain Speeds:9