Features: 1.Fitment: The front wheel rim hub is a replacement for Monkey Bike Z50 Z50J, replacement for Skyteam Disk Disc Brake, please check the model of your motorbike before. 2.Material: Made of 6061?T6 aluminum, with higher strength, the surface is anodized, lightweight and strong, not easy to damage, not easy to fade. 3.Parameter: The wheel rim hub has 12mm shaft bore diameter, CNC process, mounted on the front wheel of the motorcycle, perfectly adapted to the model. 4.Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. 5.Easy to Install: Stringently manufactured to meet the original standard, good replacement for the old or broken one, improving the time efficiency. Specification: Item Type: Front Wheel Rim Hub_x000D_ Material: 6061?T6 aluminum_x000D_ _x000D_ Process: CNC_x000D_ _x000D_ Shaft Bore Diameter: Approx. 12mm/0.47in_x000D_ Fitment:_x000D_ Fits for Monkey Bike Z50 Z50J_x000D_ Replacement for Skyteam Disk Disc Brake Note: Please carefully check the appearance, size, shape of this product in our images and compare it with your original before purchasing Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.