This brake disc hub is designed for a 30mm axle. It fits brake discs having an inside hole diameter of 1 3/4 inches. It features an 8mm wide keyway and tapped mounting holes. Part number is CKS130.

Using this brake disc hub is easy. First, make sure your axle is 30mm in size and the brake discs have an inside hole diameter of 1 3/4 inches. Then, align the hub with the axle and use the tapped mounting holes to secure it in place. When installing, handle the hub gently to avoid any damage to the 8mm wide keyway. For maintenance, regularly check the mounting holes for any signs of wear or looseness. Keep the hub clean from dirt and debris to ensure its long - term performance. If you notice any unusual noises or reduced braking efficiency, have it inspected by a professional.