Shimano Alivio RD-M3100 9 Speed Rear Derailleur

Description

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

SPECS: 

• Super low profile Shadow RD technology
• Largest Cog: 36
• Rear Derailleur Mount Type: Shimano Rear Direct Mount, 10×1 Standard
• Chain Wrap Capacity (teeth): 45
• Max Front Difference: 22
• Cage Length: Long
• Rear Der/Shifter Compatibility: Shimano Mountain
• Drivetrain Speeds: 9
• Color: Black