Tripeak Grade 5, Si3N4 Ceramic Hybrid Bearing，#6803 (17 x 26 x 5 mm)

Upgrade your MTB or gravel wheels with professional-grade performance. The Tripeak Grade 5 6803 ceramic hybrid bearing features hospital-grade Si3N4 ceramic balls for exceptional smoothness, extended lifespan, and reliable performance in challenging conditions.

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

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

17mm ID × 26mm OD × 5mm Width | Double sealed | Temperature range: -40°C to +300°C