Disc brake

A disc brake including a pair of friction pad means disposed on opposite sides of a rotatable disc, a caliper straddling a portion of the circumference of the disc and incorporating therein an actuator for applying the friction pad means against the disc, a stationary holder having said caliper slidably mounted thereon, and a pad spring interposed between the caliper and the friction pad means for biasing the friction pad means in the radially inward direction with respect to the disc, said pad spring comprising two engaging portions which respectively extend in the direction of the axis of the disc for engaging with respective friction pad means, said two engaging portions being deflectable independently of each other, and said engaging portions and said pad means having shapes for causing one of said engaging portions to engage only one of said pad means and the other of the engaging portions to engage only the other of said pad means.