A locking hub and extensible handle assembly includes a handle having an elongated portion with a stop member at a first end, a grasping portion at an opposed second end, and at least one push button within the handle and proximate the first end. The assembly further includes a hub having a body with a passage extending through the body in a longitudinal direction and slidably receiving the elongated portion of the handle. The assembly also includes an actuator that is movable to permit the push button to be used to lock and unlock the handle relative to the hub.