Patent ID: 8439779

Claim:
A front derailleur mountable to a bicycle frame comprising: a housing mountable to the bicycle frame; a chain guide for receiving and laterally displacing a chain; a parallelogram mechanism having first and second parallelogram arms movably coupling the chain guide to the housing at parallelogram arm attachment points on the housing; a transfer element pivotably connected to the housing at a transfer element pivot point extending parallel to at least one of the parallelogram arm attachment points, the transfer element operatively connected to the parallelogram mechanism to actuate the chain guide; a return spring biasing the transfer element; and a tubular clamp for mounting the housing to the bicycle frame, the housing having a clamp hinge and a support extension extending in a support direction a distance along the bicycle frame length above the region of the clamp hinge, the support extension including at least one of the parallelogram arm attachment points and the transfer element pivot point, the support extension circumferentially abutting the bicycle frame the distance from above the clamp hinge along the bicycle frame to the at least one of the parallelogram arm attachment points and the transfer element pivot point.