A motorcycle wheel hub is an essential component that connects the tire to the axle of the motorcycle. It supports the entire weight of the vehicle and transfers power. Typically, a wheel hub consists of spokes, rims, and bearings. Spokes are metal rods that connect the rim to the axle, forming the framework of the wheel and bearing the pressure from the road surface. The rim is the circular component onto which the tire is mounted; it is fixed onto the spokes and maintains the shape of the tire. Bearings are located inside the hub, allowing the hub to rotate smoothly on the axle. Some wheel hubs also feature brake discs for the operation of the braking system.

The design and material selection of wheel hubs are crucial for the performance and safety of the motorcycle. Some hubs are made from lightweight materials to reduce the overall weight of the vehicle, thereby improving handling and fuel efficiency. Additionally, some high-end motorcycles come with protective covers or decorative caps to shield the wheel hub and enhance the vehicle's aesthetic appeal.

Keeping the wheel hub clean and regularly inspecting its condition are important steps in maintaining the safety and performance of the motorcycle. Damaged or severely worn wheel hubs can affect the vehicle's handling and braking performance, so timely maintenance and replacement are necessary.