This ball bearing is designed for speed skates and features 16 parts and 11 components, delivering stable and reliable performance. In addition to speed skates, it is compatible with roller shoes, skateboards, drift wheels, and related skate accessories, making it a versatile replacement option or upgrade. Key benefits - Smooth, consistent rotation with reduced friction for a steadier glide. - Durable construction suitable for frequent skating and variable conditions. - Clear compatibility across multiple skate-related devices including speed skates, roller shoes, skateboards, drift wheels, and skate accessories. Specifications and attributes - 16-part, 11-component assembly for robust operation. - Designed specifically for speed skating while remaining versatile for other skate gear. - No size or material claims are stated beyond the 16-part/11-component configuration. Use scenarios - Replace worn bearings on speed skates to restore smooth handling and efficiency. - Upgrade roller shoes or skateboards with a reliable bearing to improve rotation and reduce effort during daily use. - Integrate into drift wheel setups or drift wave configurations to enhance control and consistency. This description maintains the original scope of applications and emphasizes function, compatibility, and practical use without adding unstated details.