Kuryakyn Rear Atto Turn Signal Adapter BlackPair these Rear Turn Signal Adapters with the Kuryakyn by Kellermann Atto RB or Atto RB Dark turn signals (sold separately) and completely transform the look and performance of your ride's rear end lighting! These handy mounts retain the stock turn signal bar and license plate mount while providing a sleek, streamlined housing for the ultra small but incredibly bright Atto turn signals. This Part Fits: Year Make Model Submodel 2020 2021 Indian