The Enduro 15267 Ceramic Hybrid Bearing is an ABEC-5 bearing with a deep-groove design, crafted from 52100 High-Carbon chromium alloy races and grade 5 Silicon-Nitride Ceramic balls. This combination effectively reduces wear and extends bearing life by eliminating steel-on-steel contact. The dual-lip labyrinth seals offer superior protection against the elements, while the 90% fill Mobilux NGLI 2 high-pressure synthetic grease ensures reliable performance even in harsh environments. Perfect for use as a hub bearing, it delivers exceptional durability and smooth operation, making it ideal for high-performance cycling needs.