The invention provides a wireless control system for a bicycle, comprising at least one shift unit including a shift actuator and a master control unit in communication with the shift actuator. The master control unit transmits on a channel and listens for noise on the channel. After having received an input signal from the shift actuator, the master control unit transmits a plurality of shift signals corresponding to the input signal for a message duration time if the channel is free of noise.
Electromechanical shifting systems and methods
Elektromechanische Verschiebungssysteme und Verfahren
Systèmes et procédés de changement de vitesses électromécanique
18.11.2020
Patent
Elektronische Ressource
Englisch