Prepare your hub assembly to the Ready for the Road Ahead , with the OTR 10-Stud Mount Wheel Hub that provides improved fuel efficiency and enhanced safety. This replacement kit permits the free rotation of your wheel, thanks to lightweight components that effectively fasten the wheel to the axle. Crafted with resilient metal to provide long-term reliability in even the toughest of conditions. FleetPride is your First Click in Heavy Duty .