Patent ID: 8678963

Claim:
A bicycle derailleur comprising: a base member including a bicycle mounting portion; a movable member movably supported to the base member between a first position and a second position with respect to the base member; a biasing arrangement operatively disposed between the base member and the movable member such that the biasing arrangement biases the movable member towards a first direction and maintains the movable member in the first position, the biasing arrangement including a first biasing member applying a first biasing force that biases the movable member towards the first direction at least while the movable member is in the first position, a second biasing member applying a second biasing force that biases the movable member towards the first direction, and a pre-load body that maintains the second biasing member in a loaded state while the movable member is in the first position, the second biasing member applying the second biasing force on the movable member only after the movable member has moved from the first position towards the second position.