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The BB CXD 6903 LLB-bx is a high-performance ceramic hybrid ABEC-5 radial bearing designed for exceptional efficiency and longevity.Utilizing XD-15 ceramic hybrid technology, it provides ultra-low friction, superior corrosion resistance, and extended durability.The LLB double-seal system offers excellent protection against contaminants, making it ideal for high-performance cycling applications, including hubs, bottom brackets, and suspension systems.