microSHIFT ADVENT Rear Derailleur - 9 Speed Medium Cage Black With ClutchmicroSHIFT ADVENT Rear Derailleur 9 Speed Medium Cage Black With Clutch. 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. TECH SPECS Largest Cog 46 Color Black Rear Der Shifter