Die-casting Aluminum Wheel Hub Motorcycle 36/32 Holes Front And Rear Wheel Hubs For CRF250R CRF250X CRF450R Dirt Bike Material Type: Aluminum Item Length: 15.3 cm Item Width: 14.85 cm Number Of Front Holes: 36 Number Of Rear Holes: 32 Special Features: Die-casting Aluminum, Light weight, solid construction This motorcycle wheel hub is constructed from A6061-T6 aluminum using a die-casting process, resulting in a lightweight and design suitable for off-road and dual-sport use.The manufacturing method structural integrity while weight, which helps reduce rotational inertia and supports quicker acceleration.Designed to fit select CRF series models, the front hub has 36 spoke holes and the rear hub has 32 spoke holes, allowing compatibility with various spoke patterns.The hubs are engineered to work with spokes, rims, and spacers, simplifying installation.An anodized provides resistance to oxidation and corrosion while offering a clean, finished appearance.The reduced unsprung mass contributes to improved handling and ride responsiveness.The hub design also helps prevent mud buildup within the hub body, supporting consistent performance in riding conditions.This wheel hub set is built for and function, making it a practical upgrade for off-road motorcycles.