Thumb Throttle, Left/Right Hand Control Assembly for Electric Bike Scooter Accelerator Specifications: Material: Plastic Color: Black Type: Left Hand, Right Hand (optional) Cable Length: Approx. 1.6m / 5.2feet Suitable Handlebar Diameter: Approx. 22.5mm / 0.88inch Voltage: Works with Any Voltage Red Wiring: Positive +5V White Wiring: Signal Black Wiring: Negative -5V Weight: Approx. 87-91g Features: OPTIONAL SPEED CONTROL: The electric bike throttle control works well on left and right speed control,which offers you every perfect cycling experience.You could easily adjust the speed of your E-bike, scooter, and etc. EASY INSTALLATION: electric bike throttle control is easy to install on your E-bike or scooter without any other tools. You only need to place the end of wires in a certain spot and make it fixed on your bike. Packing List: 1 x Throttle Speed Control 1 x Wire Holder Features: WIDE APPLICATION: E-bike throttle can be used for any scooters or E-bikes.You could also use it to replace your brake level of old bike. HIGH QUALITY: Premium grade 1.6 m wires is longevity as well, allowing you install them on anywhere of your bike as you want.