AXLE SYSTEM

Aspects of the present invention relate to an axle system, a spindle nut, a spindle nut and a spindle. The axle system comprises a spindle and a spindle nut. The spindle has a threaded portion and a ratchet portion, the spindle nut has a threaded portion and at least one pawl. The threaded portions are sized to engage one another. The at least one pawl is arranged to engage the ratchet portion of the spindle.