- Size and Compatibility: The twist throttle handlebar measures 2.3 cm in length and is designed for easy installation on handlebars with a diameter of 2.3 cm (0.9 inches). - Universal Fit: This throttle grip is compatible with various electric vehicles, including those powered by VRLA, lithium, water, and dry batteries. It supports a voltage range of 12V to 99V, making it suitable for a wide array of electric bikes and scooters. - Wiring Instructions: Proper wiring is crucial for functionality. The green cable is the Hall signal cable, the red cable is the positive 5V for the throttle, and the black cable serves as the negative connection. Ensure that you verify the wiring of the controller's functional wires, as incorrect connections can damage both the controller and the throttle. - Versatile Applications: Ideal for electric bicycles and scooters, this throttle twist grip works seamlessly with most electric bikes that utilize Hall sensor controllers. When installing, especially if you are not a professional, pay close attention to the wiring sequence to avoid damaging the Hall wires. - Performance Assurance: Designed for reliability and efficiency, this throttle grip enhances your riding experience by providing smooth acceleration and control. This twist throttle handlebar is a practical upgrade for anyone looking to enhance their electric vehicle's performance and functionality.