According to one embodiment, a flexure for use in a suspension assembly includes: a supporting plate; a wiring member including a metal plate and a wiring substrate placed on the metal plate and has a tip-side portion placed on the supporting plate, a base end-side portion extending to an outside of the supporting plate, and a first end provided at an extension end of the base end-side portion; and a piezoelectric element mounted on the wiring member. The wiring substrate includes an insulating layer and a conductive layer stacked on the insulating layer, the conductive layer having a plurality of connecting pads including a ground pad to which a ground electrode of the piezoelectric element is connected, a plurality of connecting terminals provided at the first end and including a ground terminal, and a plurality of traces including a ground trace connecting the ground pad and the ground terminal.