This 1-inch live axle sprocket and brake hub kit is the perfect heavy-duty upgrade for mini bikes, go karts, dune buggies, and drift trikes. Engineered to fit most popular engines including the Predator 212cc, 196cc 6.5hp, GX160, and GX200, this kit features a 4-inch brake hub with a 1-inch bore and 1/4-inch keyway for a precise fit. Constructed from premium 420 heavy-duty steel, the 48-tooth sprocket and live axle bearing kit is built to withstand rigorous racing conditions. The comprehensive kit resolves common issues like wheel shaking and abnormal noise, ensuring a stable and smooth ride, especially during braking or turning. It includes a lock nut to prevent loosening from vibration, along with all necessary mounting hardware: two bearings, two bearing hangers, four three-hole flangettes, six bolts with locknuts, a keyway, four screws, and four nuts for a complete and easy installation.