CLUTCH UNIT

A clutch unit () includes an operation lever (), an operation member (), an input-side clutch (), an output-side clutch (), and a bottomed cylindrical housing (). The input-side clutch () includes an input-side inner ring member () and an operation bracket (). The operation bracket () includes an engagement portion () that engages with the input-side inner ring member (), a facing portion () that faces the bottom surface ( a) of the housing () with a gap therebetween, a fastened portion () that penetrates a through hole () formed in the bottom surface () of the housing () and is fastened to the operation member (), and a sliding-contact portion () that extends from the facing portion () toward the bottom surface () of the housing () and comes into sliding-contact with the bottom surface of the housing ().