Originally Posted by
Steve_sr
Yes, this looks like the common hub interface but some of the stuff that I have read online indicates that there may be some issues with axle spacer differences and also DS seal compatibility.
Yes, the DS seal is also a concern.
During that time, Shimano used 2 types of seals, the rubber O-ring, and also the older style as pictured below. The interface in the freehub body (#17) was different for each to work with the seal on the spacer/cone.
