Shimano SLX RD-M7100 12-Speed Rear Derailleur

This is a long cage derailleur capable of running the 10-51t cassette as well as the 10-45t option.

• For 1x system
• Fast and shockless shifting
• Low-profile design
• Extra wide range 12-speed drivetrain -10-51T (12-speed) -10-45T(12-speed)
• Decreased rear derailleur and chain tension in low gear
• New bumper added to rear derailleur pulley cage
• Bigger 13T pulley
• Advanced shifting performance provides the confidence to enjoy any trail
• Silent drivetrain in all gear positions
• Stable drivetrain on rough terrain
• Compatible Chain: HG 12-speed
• Low Sprocket Max: 51t
• Low Sprocket Min: 45t
• Max Front Difference: 0t
• Cage Length: SGS Long Cage
• Rear Speeds: 12
• Top Sprocket Max: 10t
• Top Sprocket Min: 10t
• Total Capacity: 41t