1 Bag High-Carbon Bearing Steel Balls 4-6.35Mm Solid Smooth Precision Bearing For Kid Bicycle Scooter

Description: High-precision bicycle bearing steel balls with multiple optional sizes, designed for bicycle bearing repair and replacement to deliver smoother, more stable riding performance. Features: 1. Superior Wear Resistance: Forged high-carbon bearing steel + precision quenching hardening treatment + resists long-term friction and abrasion, greatly extending service life and reducing frequent replacement costs for users. 2. Low-Friction Smooth Operation: Precision mirror polishing craftsmanship + burr-free perfectly rounded surface + minimizes running resistance between bearing components, providing users with quieter and smoother riding experience. 3. Universal Size Compatibility: Available in 4mm/5mm/6mm/6.35mm standard specifications + fits most mainstream bicycle wheel, headset and bottom bracket bearing structures + eliminates size mismatch troubles, meeting most bicycle repair demands. 4. Excellent Load Bearing Capacity: High-density bearing steel material + outstanding compressive strength + withstands heavy riding load without deformation, maintaining stable bearing operation to support safer long-distance riding. 5. Anti-Rust & Corrosion Resistance: Surface anti-oxidation treatment + dense protective layer formed on the surface + adapts to humid, rainy or muddy riding environments, avoiding rust that damages bearing flexibility for long-term reliable use. Specifications: Category: Bicycle Repair Accessories Material: High-Carbon Bearing Steel Size: 4mm / 5mm / 6mm / 6.35mm (optional) Color: As the picture shows Application: Ideal for replacement and maintenance of bicycle wheel bearings, headset bearings, bottom bracket bearings, also applicable for small mechanical bearing components. Quantity: 1 Bag Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.