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no. 5 on this drawing?
http://www.nguide.eu/sites/default/files/mysite/hubs/182/documents/D792SB-X12-11S.pdf
That's the diagram I've seen before. However, looking at it with fresh eyes I had a new idea. It turns out the seal is already in the hub - which should be evident from the photo I've attached. Confirmed by removing the seal from the hub and checking that both are the same.
So, mystery solved - I simply have a spare seal. Fitting it to either of my hubs means it is duplicated and thus the drag.
Thanks for the inspiration :)
1 Attachment
Cupcakes
no. 5 on this drawing?
http://www.nguide.eu/sites/default/files/mysite/hubs/182/documents/D792SB-X12-11S.pdf
Maybe look at the freehub bodies at the bottom of the page to see if they look the same as your setup:
http://www.nguide.eu/hubs/d792sb-11s