Patent ID: 8734280

Claim:
An inner link plate for a bicycle chain, the inner link plate having a longitudinal centerline, an inside surface arranged to face another inner link plate when the bicycle chain is assembled, an outside surface opposite to the inside surface, and an outer peripheral edge disposed between the inside and outside surfaces, the inner link plate comprising: a first end portion with a first connecting opening; a second end portion with a second connecting opening; and a connecting portion interconnecting the first and second end portions, the connecting portion including a recess disposed on the inside surface of the connecting portion, the recess having a maximum longitudinal width on the outer peripheral edge, and a minimum longitudinal width in a region adjacent the longitudinal centerline, the recess at least extending from the outer peripheral edge to the longitudinal centerline of the inner link plate, and a depth of the recess at the longitudinal centerline being at least as deep as a depth adjacent the outer peripheral edge.