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 Whisper-quiet running: lowers brake-related noise, creating a smoother and more enjoyable driving experience Product specs: tool-free quick installation, reliable sealing, adaptable hole spacing, great compatibility with most models, Manufacturer: HAYSXVR