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G2 Axle & Gear Axle Spindles are designed to take the place of stock type spindle to provide maximum traction. They are precision machined from forged or stainless steel and with different mounting pattern. These G2 Axle Spindles are engineered to exacting specifications.
Axle spindles are components used on the steering axle of a vehicle as well as on a trailer and are designed to fasten the braking system and mount the wheels and tires to the axle. On a steering axle, the axle spindles are fastened to the axle assembly by the use of ball joints or king pins, and the wheel hub is attached to the spindle with a castelated nut. The wheel bearings ride on the axle spindles in both applications, with a trailer's spindles often being mounted to an axle as a welded or bolt-on component.
Unlike a drive axle, the axle spindles are not charged with powering the vehicle. In an automobile application, the axle spindles are used to allow the front tires to turn, so the spindles are required to pivot on the axle. In the common straight-axle configuration, king pins are used as a type of hinge, allowing the spindles to pivot on the ends of the axle. Tie rods, drag links and similar components are attached to points on the axle spindles to push and pull the spindles, creating a turning motion as the steering wheel and the steering box are turned by the vehicle's operator.