CNC-machined aluminum top shock limitation for surprise body made from premium lightweight Swiss 7075 T6 aluminum. Ebony color. Few 2. the top of aluminum limitation features somewhat vent starting that creates surprise construction exceptionally predictable and simple, since additional shock oil will escape through this vent opening ensuring essentially the appropriate number of the oil is within the shock construction. Machined interior ridges confirm appropriate placement and sealing of super-soft silicone membrane layer layer.