This locking Aluminum Bike Rack fits 20-80mm bike frames with both wheels on the bike, and features a molded front wheel well to help keep the bike upright as you secure it in place. Must be used in conjunction with roof rack base carrier bars for you applicable model, and is not compatible with Cabriolet or Roadster models. Includes all mounting hardware and instructions. Base carrier bars can accommodate up to 3 Aluminum Bike Racks at one time. (Pick-up in store only).