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NW IA | Times 2. Not sure why they don't put the zerks in, but use a small hex and remove the plug and thread in the zerk. The zerk thread is between the outer and inner bearing and will grease the outer and inner bearings. As stated though, if you haven't greased the bearings I would pull the wheel and bearings and check them and repack them and then put the zerk in. | |
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