Patent attributes
A bicycle chain comprises a first inner link plate comprising a first end portion, a second end portion, and a first intermediate portion. A second inner link plate is spaced apart from the first inner link plate in an axial direction. The second inner link plate comprises a third end portion, a fourth end portion, and a second intermediate portion. The first inner link plate includes a first outer surface and a first inner surface opposite to the first outer surface in the axial direction. The second inner link plate includes a second outer surface and a second inner surface opposite to the second outer surface in the axial direction. The first intermediate portion has an axial recess formed on the first inner surface in the axial direction. The second intermediate portion is free from an axial recess formed on the second inner surface in the axial direction.
