Motorcycle Wheel Hub Motocross Bike Front Rear Wheel Rims Complete Hubs Aluminum For CRF 250 450 R L RWE Material: A6061-T6 Aluminum Design and Style: Die-casting with shot blasting/light finish Performance and Property: Lightweight yet strong, anodized for corrosion resistance Compatibility: Designed for CRF models including CRF250, CRF450, and related variants Size and Weight: Front hub with 36 holes, 20mm axle hole, 720g weight; Rear hub with 32 holes, 25mm axle hole, 1490g weight The motorcycle wheel hub is constructed from A6061-T6 aluminum, offering a balance of strength and reduced weight.The die-casting process provides a structure that is lighter than hubs while maintaining under conditions.The shot blasting and light finish improve and appearance, with an anodized coating enhancing resistance to oxidation and wear.This hub set is engineered for compatibility with CRF250 and CRF450 models, including R, L, and RWE versions.It works with spokes, rims, and wheel spacers, allowing integration into existing wheel builds.The front hub has 36 spoke holes and a 20mm axle bore, while the rear hub features 32 spoke holes and a 25mm axle bore, supporting various tire and wheel configurations.Drain holes help prevent accumulation inside the hub body.The front hub weighs 720 grams and the rear hub weighs 1490 grams, contributing to overall vehicle performance by reducing rotational mass without sacrificing structural integrity.The design supports motocross and off-road riding applications where and weight savings are essential.This product is not manufactured by the brand.Model and brand mentions are for compatibility guidance only.