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- Cage Length: Long
- Drivetrain Spacing: Shimano/SRAM 8
- Intended Use: Mountain
- Shifter/Rear Derailleur : Shimano
- Largest Cog: 34 teeth
- Chain Wrap Capacity: 43 teeth
- Derailleur Action: Top-Normal (Traditional)
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Review Shimano RD-M310-L Altus Rear Derailleur - 7/8 Speed Long Cage Black