just to be clear. Its a fecking cone nut.
Unless there are no cones, ie: it's a cartridge bearing hub, then it can only be a locknut as the 2nd post says. Not only is your diagram incorrect in this, it's also rare to find needle rollers on a hub axle, especially with track and road hubs.
@rpm started
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Unless there are no cones, ie: it's a cartridge bearing hub, then it can only be a locknut as the 2nd post says.
Not only is your diagram incorrect in this, it's also rare to find needle rollers on a hub axle, especially with track and road hubs.