Abstract: A pedal for a bicycle has two connecting boards and multiple fixing elements. The connecting boards are connected to each other and each connecting board has a shaft recess, a protruding segment, a recessed segment and multiple mounting recesses. The protruding segment and the recessed segment are respectively formed on an inner side of the connecting board beside the shaft recess. The protruding segment has an opening hole, an outer protruding tab, an inner protruding tab and multiple through holes. The recessed segment has an opening hole, an outer recess, an inner recess and multiple through holes. The fixing elements are connected to the connecting boards, and each fixing element has a fastener and a mounting head. The fastener is mounted in two through holes of the connecting boards and has two anti-slipping protrusions, a connecting head and an outer thread. The mounting head is screwed with the fastener.