Grease

[Vic B]

Thank you all for the advice I THINK I will go with the 12000 mile advice

[rohrmann]

If you are able and willing, repacking the bearings, replacing the seals, along with removing and installing the wheels and drums is really not that difficult, especially with the leveling system that can lift these rigs. For me, a can of grease, four seals, some rags and solvent, and a few hours and the few tools needed, and I only spend less than $30 each time when I do the job. Even with the cost of having it done at a trusted shop is well worth not having to worry about a failure while traveling in the middle of nowhere.