Patent ID: 7503864

Claim:
A bicycle sprocket comprising: a metallic sprocket ring part including a ring element with a plurality of sprocket teeth located on an outer periphery of the ring element, a plurality of connecting elements located on an inner periphery of the ring element extending in a radial direction inwardly from the ring element and a plurality of internal fastening elements located on radial inner ends of the connecting elements, respectively, the internal fastening elements being configured for fastening to a bicycle sprocket unit, with the ring element, the plurality of connecting elements and the plurality of internal fastening elements being unitarily formed as a single element, the connecting elements having a first width measured in a circumferential direction, the internal fastening elements having a second width measured in the circumferential direction with the second width being greater than the first width; a synthetic resin fastening part non-movably formed on both axial faces of the sprocket ring part at a location radially inwardly of the sprocket teeth so as to cover at least a portion of the inner periphery of the ring element, the connecting elements, and the internal fastening elements, the synthetic resin fastening part being a material providing rigid reinforcement to the ring element, the connecting elements and the fastening elements of the metallic sprocket ring part.