Probably, but I can't tell for sure because the rubber was gone and the ring was intact and hanging on my pulley.
It was the original 1996 balancer, so can't really blame it.
The one I ordered yesterday says it's "ribbed for her pleasure" OH wait, that was something else.:D
This one says it is splined in the center to keep it from separating.
The one I ordered should be fine for a daily tromper.