microSHIFT Advent M619M Rear Derailluer No ClutchThe microSHIFT ADVENT Rear Derailleur is a 9 Speed, Medium Cage, designed for 1x9 drivetrains. There is no clutch, compatible with 11-46T 9-speed cassettes. Engineered with a medium steel cage with an aluminum outer link. Only compatible with microShift ADVENT shifters specifically.657993183786
