The shimano,RD-M6100,rear,Derailleur provides efficient and smooth shifting for Deore M6100,12-speed drivetrains. Features: Features the Shadow RD+ chain stabilizer system to minimize chain slap Fast and precise shifting,13T pulley For single,front,chainring setup 51T max cog size Specifications: Color:,black,Drivetrain Speeds:,12,rear,Der/Shifter Compatibility: shimano,Mountain Largest Cog: 51,rear,Derailleur Mount Type:,10x1 Standard Cage Length: Long
