An apparatus and method for a bicycle lamp includes a plurality of light sources; a source of power; an electrical circuit connecting the source of power with the plurality of light sources; at least one switch connected in the electrical circuit; a diffuser positioned adjacent at least one individual light source of the plurality of light sources, the diffuser including translucent resilient material supported on a helical coil defining a central passageway extending through the diffuser, the diffuser passageway being of sufficient dimension to accept a bicycle tube therethrough; a housing coupled to the diffuser, the housing having a housing passageway extending therethrough, wherein the housing passageway is generally complementary to and aligned with the diffuser passageway so as to provide a continuous opening through the bicycle lamp; and a reflector adjustably connected to the housing spaced apart from the housing passageway.