928 Rear Air Knob Bezels Sale! from $93.00 Metal Aluminum Bronze Stainless Steel Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Add a glint of metal and enhance your 928 interior. Includes two bezels (on either side of the radio):-fan speed control knob-the rear air fan control knob CNCed with the perfect knurled finish and hand polished. Tweet