Shimano Shimano Deore RD-M6100-SGS Rear Derailleur - 12-Speed, Long Cage, Black

The Shimano RD-M6100 Rear Derailleur provides efficient and smooth shifting for Deore M6100 12-speed drivetrains.

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