Features1Grip is made of comfortable and soft rubber material, which makes the grip more comfortable and does not get tired after longterm riding. 2Controller shell is made of aluminum alloy, which is sturdy and durable and can protect the internal circuit. 3Easy to install and remove, without any difficult requirements even though you use it for the first time. 4Good heat dissipation and can avoid thermal overload. Light in weight, so it's easy to carry. 5This product can be used for electric bicycles, electric scooters, and electric tricycles.SpecificationItem Type: Twist HandleMaterial: Aluminum + RubberHandlebar Length: Approx. 147cm / 57.9inWeight: Approx. 389g / 13.7ozPackage List1 x Controller1 Pair x Twist Handle