If you have problems making your hubs last longer on your splined hubs, do this. The reason the hubs wear out is that the hub is a softer material than your axle.

After some quick starts it begins to wear the metal down. To rectify this, remove your cotter pin and hub nut and every few months tighten it up to take up the wear that has been done to your hubs.

You will find out that you will get a whole lot wear out of your hubs and

Helps your axle to last longer also. This works on all splined hubs. Also if you put excessive wear on your hubs you will have to repeat this every month.