1、Premium Shell: Made of premium aluminum alloy for shell, which can prevent internal circuit, the brushed motor controller set has good heat dissipation so that can avoid thermal overload. 2、Wide Application: The 4 speed throttle handle is suitable for electric bike, electro tricycle, electric motorcycle, a wide range of application. 3、Rubber: The 1000w throttle twist handle is made of rubber, soft and comfortable, bringing comfortable hand feeling, you will feel not tired for long time riding. 4、4 Speed: The throttle twist grip has four speeds, that is, low speed, medium speed, high speed and overspeed, you can control it to meet your different needs. 5、Wear Resistant: Owning to its material, the brushed controller twist grip is wear resistant, corrosion resistant, durable and can be used for a long time.