NIUNIU Electric Scooter Disc Brake Bicycle Brake Disc Braking Braking Performance Electric Scooter Parts Stainless Steel Brake Disc EFFICIENT : Bicycle brake disc is adopting ventilated disc brake system, braking is efficient, quick response, and driving safety is more worry-free. The brake disc is a good accessory for your scooter, it protects your investment and improves the riding experience. STAINLESS STEEL MATERIAL : The brake disc is made of high-quality stainless steel, it is not easy to deform and more durable. HIGH PERFORMANCE ELECTRIC SCOOTER BRAKE DISC : Easy to disassemble and assemble without complicated tools. Provides good friction effect and effectively improves braking performance. HOLLOW DESIGN : The brake disc has many different shaped holes in its body. This hollow design can reduce reduce the weight of the brake pads, improve the appearance and reduce heat transfer. Color: silver Size: 140mm outer diameter, 44mm distance from the center of the hole Delivery Quantity: 1 Piece Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products.