Shimano Deore RD-M5100-SGS Rear Derailleur - 11-Speed, Long Cage, Black

The Shimano RD-M5100 Rear Derailleur provides efficient and smooth shifting for Deore M5100 11-speed drivetrains.

• Features the Shadow RD+ chain stabilizer system to minimize chain slap
• Compatible with a 51T maximum cog size for 11-speed systems
• Rear Derailleur Mount Type: 10x1 Standard
• Rear Der/Shifter Compatibility: Shimano DynaSys11
• Cage Length: Long
• Drivetrain Speeds: 11
• Color: Black
• Largest Cog: 51