About this item 【TOP QUALITY】: The controller shell is made of aluminum alloy, which is sturdy and durable and can protect the internal circuit, greatly improves your safety. 【STABLE PERFORMANCE】:Grip is made of comfortable and soft rubber material, which makes the grip more comfortable and does not get tired after long‑term riding, make every outdoor travel more comfortable. 【WIDE APPLICATION 】: This product can be used for electric bicycles, electric scooters, and electric tricycles. 【EASY INSTALL】: Easy to install and remove, without any professional requirements even though you are an amateur. If you do not know how to install, you can consult our customer service staff, we are honored to serve you. 【SMART DESIGN】: Good heat dissipation and can avoid thermal overload. Light in weight, so it's easy to carry.