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- 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
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Review Shimano Alivio RD-M3100 SGS 9-Speed Rear Derailleur
