1、Perfect Compatibility: This left brake lever is specifically designed for Xiaomi Pro4 MI4 electric scooters, ensuring a perfect fit, easy installation and replacement. 2、Metal and Nylon Material: Made with premium nylon and metal materials, this left brake handle is wear proof and ensures long lasting performance, reliable to use. 3、Convenient Bell: This left brake lever comes with a bell, providing a convenient way to alert pedestrians or other riders during your ride, enhancing safety. 4、Precise Control: The left handlebar brake lever offers smooth and responsive braking, allowing you to have better control over your electric scooter, practical to use. 5、Perfect Replacement: The original electric scooter left brake lever parts or damaged parts can be replaced directly, with higher strength and convenience. Item Type: Electric Scooter Brake Lever with Bell Material: Nylon, Metal Weight: Approx. 112g/4.0oz 1 x Electric Scooter Brake Lever