This is the ultimate anti-fade nut.

Q:  What is an anti-fade nut?

A:  An anti-fade nut is used to attach and retain an axle to a swingarm.

The Z-Nut is more lightweight and economical than any other anti-fade nut available.  The Z-Nut is precision CNC machined with proprietary technology so that it can maintain its installed torque on an axle in a vibration environment.

Installation:  

 The Z-Nut is made in the form of a flange nut.  Install with the flange against the hub.  Torque to 75-100 ft/lbs.