Shimano Deore XT RD-M8100
Shimano -
Deore XT RD-M8100 Rear Derailleur Offers fast and shockless shifting thanks to HYPERGLIDE+ technology The low-profile design includes a bumper added to the derailleur pulley cage Shimano Shadow RD+ technology reduces chain slap and creates a quieter drivetrain Includes large 13t pulley Drivetrain is silent in all gear positions with decreased rear derailleur and chain tension in low gear Medium cage derailleur for 12-speed drivetrain Shimano XT RD-M8100-GS Rear Derailleur - 12-Speed, Medium Cage, Black Color: Black Largest Cog: 45 Rear Derailleur Mount Type: Shimano Rear Direct Mount , 10x1 Standard Cage Length: Medium Rear Der/Shifter Compatibility: Shimano Mountain Drivetrain Speeds: 12