A bicycle pedal, including a pedal body rotationally connected to a spindle assembly suitable to be coupled to a pedal crank, the pedal body having a central portion including a cylindrical seat in which the spindle assembly is inserted and rotatably supported. The pedal includes a plurality of spacers, inserted along the spindle assembly and/or inside the cylindrical seat, suitable to be relocated in order to modify the Q-factor of the pedal.