Features:1.Applicable Model: The rear brake master cylinder is a replacement for Sunl Pitster SSR 110 125 140cc Dirt Pit Bike, please check before ordering.2.Reliable Brake Control: This rear brake master cylinder pump ensures smooth and reliable control of the rear brake system, enhancing the safety and performance of your vehicle.3.Durable Construction: Made with high strength materials, this pump is built to withstand the demands of heavy braking and prolonged use, ensuring long lasting durability.4.Improved Braking Efficiency: With its precise design, this pump enhances the braking efficiency of the rear wheel, allowing for better responsiveness and shorter braking distances.5.Easy Installation: Designed for easy installation, this rear brake master cylinder pump can be quickly and securely mounted on your vehicle without the need for complex modifications.Specification:Item Type: Rear Brake Master CylinderMaterial: MetalFitment:Replacement for Sunl, for Pitster, for SSR 110 125 140cc Dirt Pit BikeNote:1. After installation, be sure to drain the remaining air in the brake system2. Professional installation is highly recommended