Originally Posted By: buck91
I've worked on a few old coaster brake and three speed hubs which took oil. very vintage and also imported IIRC. Of course, they also had a fill nipple to top off with frequently... and were generally caked in grime on the outside.
Sturmey Archer 3 Speed hubs. If they aint leakin, add oil.
80 or 90 grade gear oil is to thin. Though I did use it in a competition decades ago. Was looking for an edge over the drag of bearing grease.