Its easy to forget about the smaller parts on your trailer, especially if it doesn't get used frequently but it can end up being a big deal if you dont replace them in time. The Idler Hub is an important piece of the workings of your trailer's wheel makeup. As the connector between the tire and the rest of the vehicle, you dont want to wait too long to replace the hub. Allowing too much wear and tear on the Idler Hub can cause a domino effect of disaster. Its suggested that they be replaced every 12 months or 12,000 miles. When you know its time, order your USA 6 Stud Idler Hub Replacement for 12 Slip Over for tie down style axles here at SkipperMate Marine. Our Idler Hub replacements are Dacromet coated for extra preservation. This gives you additional protection against saltwater, freshwater, and heat resistance. The universal replacement for 6K axles tie down style and comes with high grade bearings and seals. If you have any questions, feel free to reach out to us at SkipperMate Marine.