A bicycle frame lighting system comprising a top light assembly and a bottom light assembly. The top light assembly is assembled to left and right sides of a top tube of a bicycle, wherein the top light assembly includes a pair of top light assembly components that can be detached and re-attached such that top tube is secured between a cavity formed between the top light assembly components. The bottom light assembly is assembled to left and right sides of a bottom tube of the bicycle, wherein the bottom light assembly includes a pair of bottom light assembly components that can be detached and re-attached such that bottom tube is secured between a cavity formed between the bottom light assembly components. The bicycle frame lighting system further comprises a battery housing holding a power source for powering the top light assembly and the bottom light assembly.