Originally Posted by
Andrew R Stewart
I don't argue the result sought, an easy to adjust headset. I don't argue with the suggestion of removing the 3 notch lock ring and turning this headset into a two nut type. I have done as much myself a number of times over the years.
However the 3 notch lock ring and the threaded upper headset race together are a two nut system already. Adding the third nut (the common top lock nut) is just like Normandy and Shimano using three threaded fittings (one being the cone, the others the locknuts/spacer nuts) on the driveside of hundreds of thousands of rear hubs. One simply works the cone and the adjacent locking nut before running down the outer, and second, lock nut. I see the issue being one of tools and their use and less the number of locknuts. Andy
The redundant locknuts on old Normandy and Shimano hubs were to allow removal of the spacer, so the freewheel remover tool could seat properly, without affecting the bearing adjustment. But that doesn't explain the redundant headset locknuts. Perhaps to allow mounting accessories of some sort without affecting the headset adjustment?