Originally Posted by
rcommbikes
We have a Fulcrum wheel with a freehub that has this spline configuration. Does this take special cogs? It looks weird to me like once the cog slides on over the wide part of the hub it will slip back and forth in the larger space near the wheel. Why are the splines shaped like this? Thanks for your comments.
Fred
The splines are cut-away in the non-driving side. But as picture, at least 1 of the splines is full width so the sprockets can't rotate. Should not be enough force in that direction to need more that 1 full spline.