High-Performance Enduro Radial Cartridge Bearings (ABEC-5, CN Clearance) 17mm x 30mm x 7mm, Pack of 2 Upgrade your bikes durability and smoothness with these precision-engineered Enduro 61903 LLU/LLB Radial Cartridge Bearings, designed for optimal performance in demanding mountain biking, enduro, and trail applications. Manufactured with chromium steel and adhering to ABEC-5 standards, these bearings deliver exceptional accuracy, low friction, and long-lasting reliability for critical wheel, suspension, and hub components. **Key Features & Benefits:** - ** Materials:** Crafted from high-grade chrome steel, ensuring exceptional strength, corrosion resistance, and durability under rigorous cycling conditions. - **Precision Engineering:** ABEC-5 tolerance standards guarantee smooth rolling and reduced mechanical resistance for enhanced ride efficiency. - **Optimal Size & Fit:** Dimensions of 17mm inner diameter, 30mm outer diameter, and 7mm thickness make these bearings suitable for a wide range of bicycle hubs, fork crowns, and suspension components. - **Enhanced Performance & Reliability:** Designed for high-performance mountain biking, enduro, and downhill use, providing precise handling and minimizing maintenance needs. - **Versatile Use Case:** Ideal for replacing worn bearings in hubs, headsets, and suspension systems, boosting your bikes overall responsiveness and longevity. - **Advanced Technology:** Featuring CN clearance (loose clearance for better lubrication and easier installation), these bearings ensure smooth operation even in harsh environments. Upgrade your bike with these durable, high-precision radial cartridge bearings to maximize your riding experience, reduce downtime, and extend component lifespan. Sold in a convenient pack of two, they are the perfect choice for professional bike repairs and upgrades seeking reliable, high-performance bearing solutions. **Optimize your bike maintenance today with the Enduro 61903 LLU/LLB Radi