No, normal hubs; I've got some on my hack bike that the previous owner drilled for grease injection; when I bought it he mentioned he used something semi-fluid with lots of corrosion inhibitors that he could just inject into the hub body and let it make its way into the bearings, but no idea what it was.
No, normal hubs; I've got some on my hack bike that the previous owner drilled for grease injection; when I bought it he mentioned he used something semi-fluid with lots of corrosion inhibitors that he could just inject into the hub body and let it make its way into the bearings, but no idea what it was.