SRAM X4 Rear Derailleur - 7,8,9 Speed, Long Cage, Black
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Color: Black
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Largest Cog: 34
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Rear Derailleur Mount Type: 10x1 Standard
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Chain Wrap Capacity (teeth): 45
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Cage Length: Long
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Rear Der/Shifter Compatibility: SRAM 1:1
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Drivetrain Speeds: 7 , 8 , 9
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Weight: 280