Motorcycle Pocket Bike Brake Front Rear Left Right Pump Master Cylinder Hydraulic Hose Line Calipers Sturdy Material Composition:Crafted from robust aluminum, rubber, and plastic, this master cylinder withstands rigorous riding conditions. Quiet operation: reduces brake noise, delivering a quieter and more pleasant driving experience Featuring excellent heat and weather resistance, this accessory runs smoothly in severe conditions and provides great anti-aging performance to ensure a long service life. This accessory is equipped with reliable heatproof and weather-resistant abilities, adapts perfectly to harsh environments, and maintains stable performance with strong anti-aging properties for prolonged usage., Manufacturer: GAYCLG