GEARSHIFT FOR A BICYCLE AND BICYCLE WITH SUCH A GEARSHIFT

摘要

A gearshift for a bicycle (1) having an electric auxiliary drive (2) comprising a stepped gear system which is embodied as a hub gear system or dérailleur system, and an electromechanical actuator (5) for triggering a gearchange of the gear system, wherein the electromechanical actuator (5) has a shift control unit (20) which can be or is connected via a data line to a drive control unit (21) of the auxiliary electric drive (2), which shift control unit (20) is designed to activate the actuator (5) as a function of at least one status variable transmitted to the shift control unit (20) by the drive control unit (21), or as a function of an item of information derived from said status variable.