A bicycle sprocket assembly is provided with at least a first sprocket and a first axial spacer. The first sprocket includes a first sprocket mounting portion, a plurality of first sprocket arms extending radially from the first sprocket mounting portion and a first chain engaging portion disposed on radial outer ends of the first sprocket arms. The first chain engaging portion includes a plurality of first teeth. The first axial spacer is disposed on a first sprocket side surface of the first sprocket. The first axial spacer has a first spacer mounting portion and a plurality of first spacer arms extending radially from the first spacer mounting portion. The first spacer arms are partially visible from an axial view of a second sprocket side surface that faces in an opposite direction from the first sprocket side surface.