Bicycle chain wheel assembly

In accordance with a second aspect of the present invention, a bicycle chain wheel cover basically comprises a mounting portion and a ring-shaped outer peripheral portion with a chain drop prevention protrusion. The mounting portion is configured to be coupled to a chain wheel. The chain drop prevention protrusion projects outwardly from the outer peripheral portion adjacent an outer peripheral edge.
These and other objects, features, aspects and advantages of thebicycle chain steel will become apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a preferred embodiment of the present invention.