REAR DERAILLEUR, RD-M3100, ALIVIO, SGS 9-SPEED, TOP NORMAL, SHADOW DESIGN, DIRECT ATTACHMENT ONE

he 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
• Max Front Difference: 22
• Cage Length: Long
• Rear Der/Shifter Compatibility: Shimano Mountain
• Drivetrain Speeds: 9
• Color: Black