Features1This is a 3 gear speed throttle handle, high speed, medium speed, low speed (adjust the speed of electric vehicle, need controller support). 2High quality, easy to install. 3You can complete the assembly in an e-bike easily. 4Universal design, 1.4 meters wire. Suitable for 1299V electric bicycle. 5The wire and interface are compact and durable, providing long-term stable service under low fault conditions.SpecificationCondition: Item Type: Throttle HandleMaterial: Aluminum alloy + rubberColor: black3 gear switches, high speed, medium speed and low speed (to adjust the speed of electric vehicle, controller support is required)Rated power: 1 (kW)Wire length: 1.4m/4.6ftInside diameter: 22 mmWire Connection: 3 (red, black and green)Quantity: 1 pairPackage List1 Pair of Throttle Handle