Upgrade your GY6 150cc scooter's braking system with this complete brake kit featuring both front and rear components. The front ceramic brake pads measure 77mm x 42mm (3" x 1.65") with a 7mm thickness, providing reliable stopping power. The kit includes rear drum brake shoes with precision-engineered springs for consistent performance. The drum shoe assembly has a 125mm diameter and 30mm width, with a 5mm thickness for durability. These stock replacement parts are designed to meet original equipment specifications for proper fitment and function. The ceramic compound used in the front pads offers dependable braking performance while the rear shoes provide balanced stopping power. This comprehensive kit includes all necessary components for a complete brake system refresh on your GY6 150cc scooter. Installation should be performed by a qualified mechanic to ensure proper setup and adjustment for optimal braking performance.