Bicycle brake, comprising a pre-assembled assembly intended to be mounted on a bicycle frame through two fastening pins (40, 42), wherein said pre-assembled assembly comprises: - a first lever having an actuation arm for the connection to an inner cable of a sheathed cable and a braking arm for supporting a first brake pad, said first lever being pivoted in a first rotation axis and comprising a first through hole coaxial to said first rotation axis; - a second lever having an actuation arm for the connection to a sheath of the sheathed cable and a braking arm for supporting a second brake pad, said second lever being pivoted in a second rotation axis distinct and substantially parallel to the first rotation axis, said second lever comprising a second through hole coaxial to said second rotation axis; - a support element of said first lever and second lever, said support element comprising a third through hole coaxial to said first rotation axis and a fourth through hole coaxial to said second rotation axis; - a first hollow pin housed in said first through hole and in said third through hole and provided with a longitudinal cavity for the passage of a first fastening pin of said pre-assembled assembly to the bicycle frame; - a second hollow pin housed in said second through hole and in said fourth through hole and provided with a longitudinal cavity for the passage of a second fastening pin of said pre-assembled assembly to the bicycle frame; wherein each of said first hollow pin and second hollow pin comprises, at a first free end portion, a head (75, 85) for axial abutment against said first lever and said second lever, respectively, and, at an opposite free end portion thereof, an external threading (77, 87); characterised in that said external threadings (77, 87) are engaged in internal threadings formed in said third through hole and fourth through hole, respectively, and in that said heads (75, 85) and said support element are arranged on opposite sides of said first lever and second lever. - a first lever having an actuation arm for the connection to an inner cable of a sheathed cable and a braking arm for supporting a first brake pad, said first lever being pivoted in a first rotation axis and comprising a first through hole coaxial to said first rotation axis; - a second lever having an actuation arm for the connection to a sheath of the sheathed cable and a braking arm for supporting a second brake pad, said second lever being pivoted in a second rotation axis distinct and substantially parallel to the first rotation axis, said second lever comprising a second through hole coaxial to said second rotation axis; - a support element of said first lever and second lever, said support element comprising a third through hole coaxial to said first rotation axis and a fourth through hole coaxial to said second rotation axis; - a first hollow pin housed in said first through hole and in said third through hole and provided with a longitudinal cavity for the passage of a first fastening pin of said pre-assembled assembly to the bicycle frame; - a second hollow pin housed in said second through hole and in said fourth through hole and provided with a longitudinal cavity for the passage of a second fastening pin of said pre-assembled assembly to the bicycle frame;