microSHIFT ADVENT Rear Derailleur - 9 Speed Medium Cage Black

microSHIFT ADVENT Rear Derailleur - 9 Speed Medium Cage Black. Designed with the rider in mind the microSHIFT ADVENT rear derailleur packs trail-ready features into an attainable wide range drivetrain system. The derailleur kinematics are precisely tuned to use a more direct cable path making the shifting feel consistent across the lowest and highest gears and everything in between.