The brains of your bike are housed in this smart little box. Our Electric Bike Controller Modules are Rated for our 48V Single Motor Beach Cruiser Bikes which are designed in conjunction with our engineers and feature state of the art motor control algorithms for smooth and high performance output. Be sure to contact our team if you are un-sure of which controller is compatible with your bike so we can ensure the correct one is supplied. Features: 48v for 500W or 750W Suits 500W or 750W Rear Single Motor Ampd Bros Cruiser Bikes Compatible for Stubbie, Riptide & Chubbie BikesNote: Installation of this part on incorrect models, other brands of products, custom builds or failure to install correctly will void any warranty or guarantee and may not be compatible. We recommend confirming with our team before purchase if you are unsure.