Thumb Throttle (to be used with speed controller) Brand new with warranty. MOTOR NOT INCLUDED INCLUDED: 1 Throttle, 1 extra grip Universal Black Electric Scooter Bike Thumb Throttle Grip 3Wire 12V 24V 36V 48V Specifications: - Electric Bike scooter Thumb throttle accelerator - Compatible with 24v/36v/48v E-scooters (using 3 wires on the speed controller). - Fits standard 7/8 inches(22.2mm) handle bars - Cable length is approximately 40 inches - Includes 1 grip for the other side of the handle - Wiring instructions: Throttle Controller Description Red connects to Red Voltage 4.3 to 5.0 Volts Black connects to Black or Yellow Ground Green connects to Green, Blue or White Speed Adjusting Signal (0 to 5 Volts)