Model Compatibility: Fits GY6 scooter, moped, and ATV models requiring a left drum brake lever with mirror hole. Design Specification: Includes integrated safety switch and mirror mounting hole to match equipment configuration exactly. Functional Purpose: Serves as direct replacement part to restore standard left side drum brake on compatible vehicles. Installation Context: Intended for installation on vehicles originally equipped with drum brake systems and matching lever assembly. Component Type: Replacement handle lever designed specifically for left side application on stated GY6 platform vehicles., Manufacturer: CQadsDyrx