A wireless bicycle communication apparatus comprises an information receiver and a wireless transmitter. The information receiver is configured to receive first information and second information from a first bicycle component and a second bicycle component. The first information relates to the first bicycle component. The second information relates to the second bicycle component. The information receiver is configured to receive at least one of the first information and the second information via an electrical communication wiring. The wireless transmitter is configured to periodically transmit wireless signals based on the first information and the second information.