The present invention provides a front unit (100; 200) of a sliding board binding, comprising: a holding device which is set up so as to engage a sliding board boot (20) and to hold it on the sliding board binding (10) pivotably about a transverse axis extending transverse to a sliding board longitudinal axis, the front unit (100; 200) being adjustable between a closed position, in which the holding device is raised in a configuration ready for operation so as to hold a sliding board boot (20) pivotably engaged, and an open position, in which the holding device releases the sliding board boot (20), the front unit (100; 200) being adjustable into a passive position, which is different from the open position and the closed position and in which the holding device is adjusted towards the sliding board (12) into a flat configuration.