This Kyosho rear hub set is a vital replacement or upgrade component for 1/10 scale on-road RC touring cars, specifically designed for models like the Kyosho V-One R4 series. Crafted from a durable, high-strength composite plastic, these hub carriers are engineered to withstand the rigorous demands of competitive racing while maintaining precise suspension geometry. Replacing worn or damaged rear hubs ensures accurate toe and camber settings, which is crucial for consistent handling, optimal tire wear, and predictable performance on the track, providing a direct fit to restore your vehicle's factory specifications.