Technical Specifications:
• Grade 5 silicon nitride ceramic balls—maximum hardness for long-term durability
• Hybrid construction—ceramic balls with hardened steel races
• Double rubber seals—comprehensive protection against contamination
• ABEC-5 precision tolerances—vibration-free operation
• Corrosion-resistant design—reliable performance in wet, muddy conditions
• Double Sealed
• Temperature range: -40°C to +300°C
Why Choose Grade 5 Ceramic:
✓ 3-5× longer lifespan than standard steel bearings
✓ Reduced rolling resistance for improved speed and efficiency
✓ Enhanced thermal stability—maintains performance under load
✓ Direct drop-in replacement—no modifications required
✓ Professional quality at accessible pricing
Applications:
MTB rear hubs, gravel wheelsets, adventure bikes, disc brake wheels