Shimano, SLX RD-M7100, Rear Derailleur, Speed: 12, Cage: SGS, Grey

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• Hyperglide+ offers fast and shockless shifting
• Silent and stable operation in all gears
• Low-profile design
• Extra wide range 12-speed drivetrain
• Decreased rear derailleur and chain tension in low gear
• New bumper added to rear derailleur pulley cage
• Bigger 13T pulleys for increased drivtrain efficiency