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 Product Specifics Rear Derailleur Mount Type: 10x1 Standard Rear Der/Shifter Compatibility: Shimano DynaSys11 Cage Length: Long Drivetrain Speeds: 11 Color: Black Largest Cog: 51 Today's Stock Status 10+ Available to ship in 2-4 Business Days UPC: 192790618708 EAN: Not available Manufacturer Part Number: Does Not Apply RD0012 156108-Q0-L