If your golf cart ride is not as smooth as it once was have you taken a look at your front hub assembly? This Front Wheel Hub Assembly from Performance Plus Carts is a replacement wheel hub for E-Z-GO OEM 609603/600001 and ships with bearings and seals are installed. The hub is ready to slide on your spindle right out of the box. All you need is a basic set of tools and a floor jack. The front hub assembly allows the wheels to rotate and the bearings reduce the friction while allowing the wheels to spin as intended. Measures 4 square 3/4 center diameter 1 threads