Tripeak Grade 5, Si3N4 Ceramic Hybrid Bearing，#6802 (15 x 24 x 5 mm)

Maximize wheel efficiency with the Tripeak Grade 5 6802 ceramic hybrid bearing. Combining lightweight design with hospital-grade Si3N4 ceramic balls, this premium bearing delivers professional-level performance for road, gravel, and MTB applications at an accessible price point.

Engineering Excellence: • Grade 5 silicon nitride (Si3N4) ceramic balls—maximum hardness and longevity
• Precision-hardened chromium steel races—optimal durability and load handling
• Double rubber seals—comprehensive protection against contamination
• ABEC-5 precision manufacturing—zero vibration rotation

Reduced rolling resistance for easier acceleration
Enhanced durability—3-5× longer lifespan than steel
Corrosion-resistant construction for all-weather reliability
Thermal stability from -40°C to +300°C
Direct replacement for OEM bearings—seamless installation

Dimensions: 15mm ID × 24mm OD × 5mm Width | Material: Si3N4 ceramic balls + CrSteel races | Double sealed