The DJ-Motor 220mm Front Brake Disc Rotor is an essential component for your Dirt Bike. It boasts a robust design made from premium materials, ensuring durability and reliability. The rotor's size of 220mm provides ample stopping power, perfect for high-performance touring or off-road racing. With its compatibility with wheels ranging from 50cc to 190cc, it's versatile enough to fit various Chinese Atomic SSR DHZ motorcycles, ensuring a perfect fit. The rotor's sharp disc edges minimize pad wear, extending its lifespan. Its reinforced construction also ensures safe, secure braking, even during harsh conditions. In short, the DJ-Motor 220mm Front Brake Disc Rotor is a reliable choice for enhancing your Dirt Bike's handling and stopping power.