A brake caliper and at least one pad assembly comprising: - a brake caliper; - at last one brake pad; - said at least one brake pad comprising at least one pad retention device; - said retention device being securely attached to said brake pad so as to prevent a relative movement thereof with respect to the brake pad during the normal use thereof; - said brake caliper comprising at least one actuation device of movement and application of a braking action, along a thrust direction (X-X), to said brake pad to abut it against at least one braking surface of a disc of a disc brake; - said actuation device defining a radial direction (Z-Z) orthogonal to the thrust direction of the actuation device (X-X); characterized in that - each actuation device comprises at least one actuation device seat having at least one seat opening substantially facing said brake pad, wherein - said seat receive at least one retention device coupling portion of the retention device through said seat opening; and wherein - said actuation device comprises at least one coupling ring; and wherein - said coupling ring is accommodated in said seat leaving a radial clearance (Gr) between said coupling ring and said seat; said coupling ring is free to move in a radial direction parallel to the thrust device radial direction (Z-Z); and wherein - said coupling ring is accommodated in said seat leaving an axial clearance (Ga) between said coupling ring and said seat; said coupling ring is free to move in an axial direction parallel to the thrust device thrust direction (X-X) and is limited in its stroke so as to prevent it from escaping from said seat during the normal use thereof; and wherein - said retention device coupling portion of said retention device is removable snappingly coupled to said coupling ring removably connecting the at least one brake pad with the at least one actuation device during the normal use of the at least one brake pad. - a brake caliper; - at last one brake pad; - said at least one brake pad comprising at least one pad retention device; - said retention device being securely attached to said brake pad so as to prevent a relative movement thereof with respect to the brake pad during the normal use thereof; - said brake caliper comprising at least one actuation device of movement and application of a braking action, along a thrust direction (X-X), to said brake pad to abut it against at least one braking surface of a disc of a disc brake; - said actuation device defining a radial direction (Z-Z) orthogonal to the thrust direction of the actuation device (X-X); - each actuation device comprises at least one actuation device seat having at least one seat opening substantially facing said brake pad, wherein - said seat receive at least one retention device coupling portion of the retention device through said seat opening; and wherein - said actuation device comprises at least one coupling ring; and wherein - said coupling ring is accommodated in said seat leaving a radial clearance (Gr) between said coupling ring and said seat; said coupling ring is free to move in a radial direction parallel to the thrust device radial direction (Z-Z); and wherein - said coupling ring is accommodated in said seat leaving an axial clearance (Ga) between said coupling ring and said seat; said coupling ring is free to move in an axial direction parallel to the thrust device thrust direction (X-X) and is limited in its stroke so as to prevent it from escaping from said seat during the normal use thereof; and wherein - said retention device coupling portion of said retention device is removable snappingly coupled to said coupling ring removably connecting the at least one brake pad with the at least one actuation device during the normal use of the at least one brake pad.