Upgrade your bicycle's performance with the Enduro ABEC-3 Cartridge Bearing, 686 6x13x5, engineered for durability, smoothness, and precision. Crafted from steel, this bearing delivers superior strength and longevity for demanding cycling applications, including mountain biking, BMX, and aggressive trail riding. Materials & Engineering Excellence Built with robust steel components, the Enduro 686 bearing features a Grade 10 ball design housed within a precision-engineered metal cage, minimizing friction and ensuring consistent rotation. The bearing is 90% filled with Mobilux NGLI 2 synthetic grease, providing excellent lubrication and resistance to wear even under extreme conditions. Advanced Components & Tech Equipped with dual-lip labyrinth seals made from durable rubber, this cartridge bearing effectively shields against dirt, water, and debris-crucial for maintaining optimal performance in muddy, wet, and rugged environments. The labyrinth seal design enhances sealing performance, ensuring that contaminants stay out while retaining lubrication for smoother operation. Performance & Use Case Ideal for bicycle hubs, bottom brackets, and headsets, the 686 cartridge bearing offers reliable, high-performance support for high-impact rides. Its precise 6x13x5mm dimensions make it a versatile choice for a variety of cycling setups aiming for optimal durability and reduced maintenance. Innovative Features & Benefits - Precision Grade 10 steel balls for enhanced load capacity and longevity - synthetic grease ensures minimal friction and longer service intervals - Rubber dual-lip labyrinth seals provide superior contaminant protection - Suitable for demanding off-road and mountain biking conditions - Easy to measure and replace with standard specifications for compatibility Optimize your ride with the Enduro ABEC-3 Cartridge Bearing, 686 6x13x5-a reliable, high-performance solution designed to keep your bicycle rolling smoothly mile after