Patent ID: 6979009

Claim:
A motorized bicycle front derailleur assembly comprising: a motor unit configured and arranged to rotate an output shaft in a first rotational direction and a second rotational direction that is opposite the first rotational direction; a front derailleur including a fixing body, a chain guide and a derailleur linkage operatively coupled between the fixing body and the chain guide to move between a first shift position and a second shift position; and a cable-free motor linkage operatively coupled to the output shaft of the motor unit and the front derailleur linkage to move the chain guide from the first shift position to the second shift position upon rotation of the output shaft in the first rotational direction and to move the chain guide from the second shift position to the first shift position upon rotation of the output shaft in the second rotational direction without the use of a mechanical cable operatively disposed between the motor unit and the front derailleur, the motor linkage including a drive link configured and arranged relative to the output shaft and the derailleur linkage to shift the chain guide between the first shift position and the second shift position.