the present invention provides a bicycle front derailleur comprising : a movable member including an inner and outer guide plates opposed to each other to define a guide space through which a chain runs ; the movable member being moved laterally of a bicycle for shifting the chain . for a purpose of preventing the chain from being caught or damaged by a chain entering edge of the movable member , a following techincal measure is employed : the movable member is provided with catch preventive measure for preventing the chain from being caught by the cain entering edge of the movable member when the chain enters the guide space between the inner and outer guide plates .